{"title":"Big Brake Kits \u0026 Performance Brake Systems","description":"\u003cp\u003eUpgrade your vehicle's braking performance with premium big brake kits from leading manufacturers. Designed to deliver increased stopping power, improved heat management and enhanced pedal feel, big brake kits feature larger brake discs, multi-piston calipers and performance-focused components engineered for fast-road, track-day and high-performance driving applications.\u003c\/p\u003e","products":[{"product_id":"bmw-m3-e9x-caliper-carrier-btcc-rotor-upgrade-for-ap-racing-cp9660-caliper-xc3-engineering","title":"BMW M3 E9X Caliper Carrier – BTCC Rotor Upgrade for AP Racing CP9660 Caliper | XC3 Engineering","description":"\u003ch4 data-start=\"558\" data-end=\"582\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"583\" data-end=\"1003\"\u003eUpgrade your BMW M3 E9X with a precision-engineered caliper carrier from XC3, the key component required to mount AP Racing CP9660 calipers and BTCC-spec rotors on your chassis. CNC machined from durable 6082-T6 aluminium and finished in corrosion-resistant black anodising, this carrier ensures perfect fitment, improved braking, and reliable performance for track day, clubsport or performance road builds.\u003c\/p\u003e\n\u003ch4 data-start=\"583\" data-end=\"1003\"\u003e\u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision CNC machined \u003c\/li\u003e\n\u003cli\u003e6082 T6 Aluminium \u003c\/li\u003e\n\u003cli\u003eBlack Anodised for aesthetics and longevity \u003c\/li\u003e\n\u003cli\u003eCNC Engraved XC3 Logo\u003c\/li\u003e\n\u003cli\u003eChemi Black 12.9 Tensile mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e2006-2012 BMW M3 E9X with OEM Front Hubs\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRelated Parts:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eE9X BTCC Bells \u0026amp; Brackets Kit → \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/bmw-m3-e9x-e92-btcc-brake-upgrade-kit-caliper-carrier-rotor-bell-ap-racing-cp9660?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=12f911fb1\u0026amp;pr_rec_pid=8773556404491\u0026amp;pr_ref_pid=10817462960395\u0026amp;pr_seq=uniform\"\u003eView Product\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003eReplacement BTCC Rotors → \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=cb33e2724\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003eComplete E9X M3 BTCC Brake Kit → \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/bmw-m3-e9x-e92-btcc-ap-racing-big-brake-kit-upgrade-cp-9660-complete-kit?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=6e0d83ad2\u0026amp;pr_rec_pid=8764175614219\u0026amp;pr_ref_pid=10809402163467\u0026amp;pr_seq=uniform\"\u003eView Product\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305752191313,"sku":"XC3-CB-001","price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M3-E9X-Caliper-Carrier-_-BTCC-Rotor-Upgrade-for-AP-Racing-CP9660-Caliper-_-XC3-Engineering-XC3-Engineering-154431541.jpg?v=1774279446"},{"product_id":"bmw-m3-e9x-e92-btcc-brake-upgrade-kit-caliper-carrier-rotor-bell-ap-racing-cp9660-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Brake Upgrade Kit Caliper Carrier \u0026 Rotor Bell AP Racing CP9660 | XC3 Engineering","description":"\u003ch4\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your M3 E9X \/ E92 with race ready stopping power with the XC3 Engineering BTCC Rotor Bell and Caliper carrier kit for the AP Racing CP9660 caliper and 368mmx36mm Ex-BTCC Rotor.\u003c\/p\u003e\n\u003cp\u003eWith the use of track proven Brake Rotors and Pads this upgrade delivers superior braking performance for Motorsport, Clubsport or aggressive road use.\u003c\/p\u003e\n\u003cp\u003eDesigned and Manufactured in the UK. \u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features: \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Custom caliper brackets\u003c\/li\u003e\n\u003cli\u003eXC3 Custom Rotor Bells \u003c\/li\u003e\n\u003cli\u003e6082 T6 aluminium construction\u003c\/li\u003e\n\u003cli\u003ePrecision CNC Machined\u003c\/li\u003e\n\u003cli\u003eBlack anodised for longevity and enhanced appearance \u003c\/li\u003e\n\u003cli\u003eCNC engraved \u003c\/li\u003e\n\u003cli\u003eChemi Black hardware included\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis product fits 2006-2012 BMW M3 E90 E91 E92 with standard OEM Front Hubs\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305752355153,"sku":"E9X MOUNTING KIT BTCC","price":450.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M3-E9X-E92-BTCC-Brake-Upgrade-Kit-Caliper-Carrier-_-Rotor-Bell-AP-Racing-CP9660-_-XC3-Engineering-XC3-Engineering-154432661.jpg?v=1773661404"},{"product_id":"bmw-m2-m3-m4-f80-f82-f87-caliper-carrier-btcc-rotor-upgrade-for-ap-racing-cp9660-caliper-xc3-engineering","title":"BMW M2 M3 M4 F80 F82 F87 Caliper Carrier – BTCC Rotor Upgrade for AP Racing CP9660 Caliper | XC3 Engineering","description":"\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThis high-precision caliper carrier from XC3 Engineering is the essential link between your F8X BMW (M2, M3, or M4) wheel hub and a big-brake setup. CNC-machined from 6082-T6 aluminium, anodised for durability, and engineered for perfect alignment — it allows fitment of the AP Racing 5000R CP9660 calipers and BTCC-spec rotors on F8X chassis. Ideal for clubsport, track-day, or high-performance street builds, it ensures safe, consistent braking geometry and reliable performance under stress.\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision CNC machined \u003c\/li\u003e\n\u003cli\u003e6082 T6 Aluminium  \u003c\/li\u003e\n\u003cli\u003eBlack Anodised for aesthetics and longevity \u003c\/li\u003e\n\u003cli\u003eCNC Engraved XC3 Logo\u003c\/li\u003e\n\u003cli\u003eChemi Black 12.9 Tensile mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with OEM Front Hubs\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRelated Parts:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eE9X BTCC Bells \u0026amp; Brackets Kit →\u003cspan\u003e \u003c\/span\u003e\u003ca data-samitaws-handle=\"bmw-m3-e9x-e92-btcc-brake-upgrade-kit-caliper-carrier-rotor-bell-ap-racing-cp9660\" href=\"https:\/\/www.xc3.co.uk\/products\/bmw-m3-e9x-e92-btcc-brake-upgrade-kit-caliper-carrier-rotor-bell-ap-racing-cp9660?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=12f911fb1\u0026amp;pr_rec_pid=8773556404491\u0026amp;pr_ref_pid=10817462960395\u0026amp;pr_seq=uniform\"\u003eView Product\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003eReplacement BTCC Rotors →\u003cspan\u003e \u003c\/span\u003e\u003ca data-samitaws-handle=\"btcc-brake-rotors-368mm-x-36mm-ap-racing\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=cb33e2724\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003eComplete F8X M2 M3 M4 BTCC Brake Kit →\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.xc3.co.uk\/products\/bmw-m2-f87-btcc-ap-racing-big-brake-kit-upgrade-cp9660-complete-kit\"\u003eView Product\u003c\/a\u003e\u003ca data-samitaws-handle=\"bmw-m3-e9x-e92-btcc-ap-racing-big-brake-kit-upgrade-cp-9660-complete-kit\" href=\"https:\/\/www.xc3.co.uk\/products\/bmw-m3-e9x-e92-btcc-ap-racing-big-brake-kit-upgrade-cp-9660-complete-kit?pr_prod_strat=e5_desc\u0026amp;pr_rec_id=6e0d83ad2\u0026amp;pr_rec_pid=8764175614219\u0026amp;pr_ref_pid=10809402163467\u0026amp;pr_seq=uniform\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305752518993,"sku":"XC3-CB-002","price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F87-Caliper-Carrier-_-BTCC-Rotor-Upgrade-for-AP-Racing-CP9660-Caliper-_-XC3-Engineering-XC3-Engineering-154427791.jpg?v=1774279416"},{"product_id":"bmw-m3-e9x-e92-btcc-custom-rotor-bells-368-mm-x-36-mm-for-ap-racing-cp9660-calipers-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Custom Rotor Bells – 368 mm x 36 mm for AP Racing CP9660 Calipers | XC3 Engineering","description":"\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eProduct Overview\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp\u003eUpgrade your BMW M3 E9X or E92 with our bespoke BTCC-spec rotor bells from XC3 Engineering. Machined to exact tolerances to mate 368 mm × 36 mm rotors to your stock hub, these bells ensure correct fitment and geometry for use with AP Racing CP9660 calipers. Perfect for track builds, clubsport cars, or performance road setups — delivering precise rotor alignment, reliable braking performance, and long-term durability.\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e6082 T6 Aluminium \u003c\/li\u003e\n\u003cli\u003ePrecision CNC'd\u003c\/li\u003e\n\u003cli\u003eBlack anodised for enhanced aesthetics and durability   \u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in the UK\u003c\/li\u003e\n\u003cli\u003eXC3 CNC engraved logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-start=\"67\" data-end=\"88\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"91\" data-end=\"450\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with OEM Front Hubs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305752551761,"sku":"XC3-RB-001","price":235.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M3-E9X-E92-BTCC-Custom-Rotor-Bells-_-368-mm-x-36-mm-for-AP-Racing-CP9660-Calipers-_-XC3-Engineering-XC3-Engineering-154434824.jpg?v=1774279487"},{"product_id":"bmw-m2-m3-m4-f8x-btcc-brake-conversion-kit-caliper-carriers-rotor-bells-for-ap-racing-cp9660-xc3-engineering","title":"BMW M2 \/ M3 \/ M4 F8X BTCC Brake Conversion Kit – Caliper Carriers \u0026 Rotor Bells for AP Racing CP9660 | XC3 Engineering","description":"\u003ch4 data-start=\"609\" data-end=\"813\"\u003eProduct Overview\u003c\/h4\u003e\n\u003cp data-start=\"609\" data-end=\"813\"\u003eThe XC3 Engineering BTCC Brake Conversion Kit is a precision-engineered solution for upgrading the braking system on BMW M2, M3 and M4 F8X chassis using AP Racing CP9660 calipers (not included).\u003c\/p\u003e\n\u003cp data-start=\"815\" data-end=\"1181\"\u003eThis kit includes CNC-machined caliper carriers and lightweight performance rotor bells, engineered to position CP9660 calipers correctly and allow use of BTCC-spec 368 × 36 mm rotors. Every component is manufactured to motorsport tolerances, ensuring repeatable braking performance, structural rigidity, and reliable thermal behaviour under extreme use.\u003c\/p\u003e\n\u003cp data-start=\"1183\" data-end=\"1334\"\u003eIdeal for track builds, time-attack cars, and high-performance road applications seeking a proven, high-capacity braking foundation without compromise.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Custom caliper brackets\u003c\/li\u003e\n\u003cli\u003eXC3 Custom Rotor Bells \u003c\/li\u003e\n\u003cli\u003e6082 T6 aluminium construction\u003c\/li\u003e\n\u003cli\u003eBlack anodised for longevity\u003c\/li\u003e\n\u003cli\u003eCNC engraved \u003c\/li\u003e\n\u003cli\u003eCaliper bracket hardware included\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaximize cost efficiency and performance with the utilisation of BTCC rotors and the industry-leading AP Racing 5000R CP9660 caliper. This upgrade is a must-have for any Clubsport or Trackday build, providing unparalleled performance and value.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with standard OEM Front Hubs\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305753207121,"sku":"F8X MOUNTING KIT BTCC","price":450.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F8X-BTCC-Brake-Conversion-Kit-_-Caliper-Carriers-_-Rotor-Bells-for-AP-Racing-CP9660-_-XC3-Engineering-XC3-Engineering-154447265.jpg?v=1774279624"},{"product_id":"bmw-m2-f87-m3-f80-m4-f82-btcc-custom-rotor-bells-368-mm-36-mm-for-ap-racing-cp9660-calipers-xc3-engineering","title":"BMW M2 F87 \/ M3 F80 \/ M4 F82 BTCC Custom Rotor Bells – 368 mm × 36 mm for AP Racing CP9660 Calipers | XC3 Engineering","description":"\u003ch4\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your BMW M2, M3, or M4 (F80\/F82\/F87) with these bespoke BTCC-spec rotor bells from XC3 Engineering. Machined from high-quality 6082-T6 aluminium and designed to mount 368 mm × 36 mm rotors with AP Racing CP9660 calipers - our rotor bells make a big-brake upgrade straightforward, precise, and reliable. Whether you’re on a track build, clubsport car, or high-performance road machine, these bells deliver accurate rotor alignment, heat-resistant performance, and track-ready durability.\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e6082 T6 Aluminium \u003c\/li\u003e\n\u003cli\u003ePrecision CNC'd\u003c\/li\u003e\n\u003cli\u003eBlack anodised for enhanced aesthetics and durability   \u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in the UK\u003c\/li\u003e\n\u003cli\u003eXC3 CNC engraved logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with OEM Front Hubs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305753239889,"sku":"XC3-RB-001","price":235.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-F87-M3-F80-M4-F82-BTCC-Custom-Rotor-Bells-_-368-mm-_-36-mm-for-AP-Racing-CP9660-Calipers-_-XC3-Engineering-XC3-Engineering-154443585.jpg?v=1774279588"},{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003eUpgrade your BMW M3 E9X \/ E92 with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2006-2012 BMW M3 E90 E91 E92 with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305805046097,"sku":"XC3-APCP9660-NCKL-E92CHASS","price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F87-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Nickel-Plated-Calipers-_Complete-Kit_-_-XC3-Engineering-XC3-Engineering-154451729.webp?v=1774279676"},{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit - AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp\u003eTransform your BMW M3 E9X \/ E92 into a track-ready machine with the XC3 BTCC Big Brake Kit — a fully engineered, bolt-on solution that delivers race-grade braking performance, reliability and durability. Everything you need is included: calipers, bells, carriers, braided lines, hardware and rotors — no need to source parts individually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2006-2012 BMW M3 E90 E91 E92 with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305961775441,"sku":"XC3-APCP9660-E92CHASS","price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F83-F87-_-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Complete-Upgrade-_-XC3-Engineering-XC3-Engineering-154454442.webp?v=1774279704"},{"product_id":"bmw-m2-m3-m4-f80-f82-f83-f87-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering","title":"BMW M2 \/ M3 \/ M4 F80 F82 F83 F87 – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp data-end=\"1011\" data-start=\"718\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the BMW M2, M3 and M4 F8X chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp data-end=\"1318\" data-start=\"1013\"\u003eThe F8X cars are heavier, turbocharged, and place greater thermal load on the front brakes compared to earlier generations. This kit solves the F8X braking weakness by delivering stronger bite, improved pedal consistency and high-temperature endurance, perfect for track, clubsport or fast-road builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRayBestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53305984024913,"sku":"XC3-APCP9660-FCHASS","price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F83-F87-_-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Complete-Upgrade-_-XC3-Engineering-XC3-Engineering-154454442.webp?v=1774279704"},{"product_id":"btcc-brakes-rotor-368mm-x-36mm-with-bobbins-replacement-kit-xc3-engineering","title":"BTCC Brakes Rotor 368mm x 36mm with Bobbins replacement kit XC3 Engineering","description":"\u003cp\u003eComplete replacement kit for any vehicle running Ex-BTCC 368x36mm Brake Rotors\u003c\/p\u003e\n\u003cp\u003eKit consists of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2x BTCC 368mmx36mm Brake Rotors in lightly used condition \u003c\/li\u003e\n\u003cli\u003e2x Sets of AP Racing Float in the disk Bobbins \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRotors are direct from current BTCC teams\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe benefit of using these Rotors are the cost effectiveness of replacements, resulting in a fraction of a price of new Rotors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSave time trying to source parts with our all in one place replacement kit\u003c\/p\u003e\n\u003cp\u003eIt is recommend that Bobbins are replaced with every rotor change, this is due to stress placed on the components and multiple heat cycles.\u003c\/p\u003e\n\u003cp\u003eRoad cars which see little track use may be able to re-use Bobbins but it is at the user discretion. \u003c\/p\u003e\n\u003cp\u003eXC3 Engineering Big Brake kits which Unitilise these Rotors:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/products\/bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering\"\u003eBMW M3 E9X\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/products\/bmw-m2-m3-m4-f80-f82-f83-f87-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering\"\u003eBMW M2 M3 M4 F8X\u003c\/a\u003e\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53307109835089,"sku":"BTCCROTOR-36836-BOBBINS","price":499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BTCC-Brakes-Rotor-368mm-x-36mm-with-Bobbins-replacement-kit-XC3-Engineering-XC3-Engineering-154465817.webp?v=1774279722"},{"product_id":"ap-racing-btcc-brake-rotors-368mm-x-36mm-xc3-engineering-uk","title":"AP Racing BTCC Brake Rotors 368mm X 36mm XC3 Engineering UK","description":"\u003cp\u003eAP Racing BTCC 368mm x 36mm Vented J hook Ex-BTCC Rotors\u003c\/p\u003e\n\u003cp\u003eThese disks are direct from the current BTCC Teams. All rotors are used items.\u003c\/p\u003e\n\u003cp\u003eThe benefit of using these Rotors are the cost effectiveness of replacements, resulting in a fraction of a price of new Rotors.\u003c\/p\u003e\n\u003cp\u003eCheck out our BTCC Big Brake Kits for BMW M2 M3 M4 E9X \u0026amp; F8X chassis \u003c\/p\u003e\n\u003cp\u003eBMW M F8X BTCC Big Brake Kits\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/products\/bmw-m2-m3-m4-f80-f82-f83-f87-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering\"\u003eHERE\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eBMW M E9X BTCC Big Brake Kits\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/therossocorsacollective.com\/products\/bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering\"\u003eHERE\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eWe do not have the option to choose which rotors are provided. However all are of useable condition and are inspected for damage before being sold.\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53307128545617,"sku":"BTCCROTOR-36836","price":289.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/AP-Racing-BTCC-Brake-Rotors-368mm-X-36mm-XC3-Engineering-UK-XC3-Engineering-154466367.webp?v=1774279728"},{"product_id":"ebc-6-piston-apollo-big-brake-kit-355mm-bbk041-front","title":"EBC 6-Piston Apollo Big Brake Kit, 355mm (BBK041) Front BMW F2X","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eVehicle Fitments:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e- BMW M135i (F20\/F21) (2012-2015)- BMW M235i (F22\/F23) (2014-2016)- BMW M140i (F20\/F21) (2015-2019)- BMW M240i (F22\/F23) (2015-2021)\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIntroducing EBC Brakes Racing's All-New 6-Piston Apollo Big Brake Kit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003e6-piston Apollo caliper version of EBC’s acclaimed big brake kit now available\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e- First application covers VW’s high-performance Mk7 and Mk8 Golf variants\u003c\/em\u003e\u003cem\u003e- Featuring 6-piston front calipers, 380mm fully floating two-piece discs, front Bluestuff™ NDX pads, front braided lines and all fluid\/fixtures required\u003c\/em\u003e\u003cem\u003e- Proudly engineered in the UK\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cu\u003eBig Just Got Bigger\u003c\/u\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eSince its introduction, EBC Brakes Racing’s 4-piston Apollo Big Brake Kit has offered unparalleled levels of braking performance for a number of vehicle applications, combining precision British engineering with unbeatable value-for-money.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eCreating waves in road, track day and race car markets across the world, the firm is now proud to launch a bigger, 6-piston version of this acclaimed kit, aimed at larger and higher-powered vehicle applications.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eAs well as being available as a caliper-only option, the first application to benefit from a full 6-piston Apollo Big Brake Kit covers the incredibly popular Mk7 VW Golf GTI and R variants, as well as the Mk8 VW Golf GTI – hot hatches that have been synonymous with fast road, track day and race driving.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eFurther applications will follow very soon – please keep your eyes peeled for more updates.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cstrong\u003e\u003cu\u003eApollo-Series 6-Piston Calipers\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eEBC’s lightweight-yet-strong aluminium 6-piston brake caliper\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eTwo-piece bolted design that incorporates high-tensile 12.9-grade steel bolts for reinforcement of the caliper bridge section (computer FEA analysis shows that this offers significant improvements in caliper stiffness compared to a monobloc design)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eMachined from heat-treated low-pressure castings (this offers a noticeable performance advantage over conventional gravity cast calipers, exhibiting higher overall strength and a comparable caliper body stiffness to forging)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eHigh-temperature fluid seals coupled with full boot-type dust seals give maximum protection against road grime and debris\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eLightweight, hard-anodised aluminium staggered pistons with serrated\/castellated piston noses that reduce heat transfer into the braking hydraulics\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eEvery single brake caliper pressure tested to 2,500psi\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eFull stainless-steel hardware and fittings, providing durability and longevity – this caliper will never rust\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eUses standard pad shapes, giving choice when selecting brake pads\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eRather than a powder-coated finish, all Apollo calipers use an advanced high-temperature Teflon™ polyester coating process to ensure they look great for much longer. Currently available in Stealth Black, Storm Shadow Blue, Luminous Yellow and Racing Red\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EBC Brakes","offers":[{"title":"Stealth Black","offer_id":53368599019857,"sku":"BBK041BLK-1","price":2715.04,"currency_code":"GBP","in_stock":true},{"title":"Storm Shadow Blue","offer_id":53368599052625,"sku":"BBK041BLU-1","price":2715.04,"currency_code":"GBP","in_stock":true},{"title":"Racing Red","offer_id":53368599085393,"sku":"BBK041RED-1","price":2715.04,"currency_code":"GBP","in_stock":true},{"title":"Luminous Yellow","offer_id":53368599118161,"sku":"BBK041YEL-1","price":2715.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/EBC-6-Piston-Apollo-Big-Brake-Kit_-355mm-_BBK041_-Front-EBC-Brakes-155602413.webp?v=1774281077"},{"product_id":"ebc-apollo-6-piston-big-brake-kit-380mm-bbk035-front","title":"EBC Apollo 6-Piston Big Brake Kit, 380mm (BBK035) Front BMW F8X","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to order:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApollo kits are custom-assembled and typically ship within a few working days. Our team will contact you if there are any delays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear pads and lines:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNot all kits include rear brake pads or rear braided lines.\u003cspan\u003e \u003c\/span\u003eContact us\u003cspan\u003e \u003c\/span\u003ebefore purchase to confirm what's included for your vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance template:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.ebcbrakeshop.co.uk\/downloads\"\u003eDownload and print the clearance template\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ebefore fitting. This MUST be checked to confirm caliper and disc clearance behind your wheels. This can be found on the Downloads tab, if not there please\u003cspan\u003e \u003c\/span\u003econtact us\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad upgrades available:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYou can upgrade the pad compound in your kit.\u003cspan\u003e \u003c\/span\u003eGet in touch\u003cspan\u003e \u003c\/span\u003eto find out how.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable system:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe supply every part of the Apollo kit separately, so you can maintain or upgrade your setup any time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEBC Apollo Big Brake Kits\u003c\/h2\u003e\n\u003cp\u003eThe EBC Apollo Big Brake Kit is a high-performance solution engineered for fast road, track day, and even occasional race use. Precision-built in the UK, these kits offer significantly improved braking power, consistency, and fade resistance over factory systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper Colours:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAvailable in\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eStealth Black, Storm Shadow Blue, Luminous Yellow and Racing Red\u003c\/em\u003e finishes for a customized look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Piece Floating Discs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLightweight aluminum bell and cast iron rotor reduce unsprung weight and improve heat dissipation, minimizing the risk of warping or fade under extreme use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBraided Stainless Steel Lines:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDOT-approved braided lines ensure improved pedal feel and brake response by eliminating line expansion under pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Pads:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eKits are supplied with your choice of EBC high-performance pad compounds, tailored for your driving style. Upgrades to race-grade compounds are available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUK Engineered \u0026amp; Assembled\u003c\/h3\u003e\n\u003cp\u003eEach Apollo Big Brake Kit is developed, tested, and hand-assembled in the UK by EBC’s in-house engineering team. All components are built to exacting standards to ensure perfect fitment, long-term durability, and exceptional performance.\u003c\/p\u003e\n\u003ch3\u003eServiceable \u0026amp; Future-Proof\u003c\/h3\u003e\n\u003cp\u003eUnlike many OEM or imported performance kits, every component of the Apollo system is available to purchase separately — from rotors and bells to pads and lines. Whether you're upgrading your pad compound or replacing worn components, we keep you on the road or track with minimal fuss.\u003c\/p\u003e","brand":"EBC Brakes","offers":[{"title":"Stealth Black","offer_id":53382503072081,"sku":"BBK035BLK-1","price":2860.16,"currency_code":"GBP","in_stock":true},{"title":"Storm Shadow Blue","offer_id":53382503104849,"sku":"BBK035BLU-1","price":2860.16,"currency_code":"GBP","in_stock":true},{"title":"Luminous Yellow","offer_id":53382503137617,"sku":"BBK035YEL-1","price":2860.16,"currency_code":"GBP","in_stock":true},{"title":"Racing Red","offer_id":53382503170385,"sku":"BBK035RED-1","price":2860.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/EBC-Apollo-6-Piston-Big-Brake-Kit_-380mm-_BBK035_-Front-EBC-Brakes-155993226.webp?v=1774447560"},{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering-copy","title":"VW Golf GTI \/ R MK5 MK6 – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp\u003e\u003cspan\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the VW Golf GTI \/ R MK5 MK6  chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVW Golf GTI \/ R MK5 MK6 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768729133393,"sku":"XC3-APCP9660-MK6GOLF","price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F83-F87-_-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Complete-Upgrade-_-XC3-Engineering-XC3-Engineering-154454442.webp?v=1774279704"},{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering-copy","title":"VW Golf GTI \/ R MK5 MK6 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003eUpgrade your \u003cspan\u003eGolf GTI \/ R MK5 MK6 chassis\u003c\/span\u003e with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 class=\"product-meta__title heading h1\"\u003eGolf GTI \/ R MK5 MK6\u003c\/h1\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768739881297,"sku":"XC3-APCP9660-NCKL-MK6GOLF","price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F87-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Nickel-Plated-Calipers-_Complete-Kit_-_-XC3-Engineering-XC3-Engineering-154451729.webp?v=1774279676"},{"product_id":"bmw-m2-f87-m3-f80-m4-f82-btcc-custom-rotor-bells-368-mm-36-mm-for-ap-racing-cp9660-calipers-xc3-engineering-copy","title":"VW Golf GTI \/ R MK5 MK6 BTCC Custom Rotor Bells – 368 mm × 36 mm for AP Racing CP9660 Calipers | XC3 Engineering","description":"\u003ch4\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your \u003cspan\u003eVW Golf GTI \/ R MK5 MK6\u003c\/span\u003e with these bespoke BTCC-spec rotor bells from XC3 Engineering. Machined from high-quality 6082-T6 aluminium and designed to mount 368 mm × 36 mm rotors with AP Racing CP9660 calipers - our rotor bells make a big-brake upgrade straightforward, precise, and reliable. Whether you’re on a track build, clubsport car, or high-performance road machine, these bells deliver accurate rotor alignment, heat-resistant performance, and track-ready durability.\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e6082 T6 Aluminium \u003c\/li\u003e\n\u003cli\u003ePrecision CNC'd\u003c\/li\u003e\n\u003cli\u003eBlack anodised for enhanced aesthetics and durability   \u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in the UK\u003c\/li\u003e\n\u003cli\u003eXC3 CNC engraved logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eVW Golf GTI \/ R MK5 MK6\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768755478865,"sku":"XC3-RB-002","price":245.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-F87-M3-F80-M4-F82-BTCC-Custom-Rotor-Bells-_-368-mm-_-36-mm-for-AP-Racing-CP9660-Calipers-_-XC3-Engineering-XC3-Engineering-154443585.jpg?v=1774279588"},{"product_id":"vw-golf-gti-golf-r-mk5-mk6-caliper-carrier-bracket-for-ap-racing-cp9660-btcc-368mm-rotors-xc3-engineering","title":"VW Golf GTI \/ Golf R MK5 MK6 Caliper Carrier Bracket for AP Racing CP9660 BTCC 368mm Rotors | XC3 Engineering","description":"\u003cp\u003eThis high-precision caliper carrier from XC3 Engineering is the essential link between your Volkswagen Golf GTI \/ R MK5 MK6 wheel hub and a big-brake setup. CNC-machined from 6082-T6 aluminium, anodised for durability, and engineered for perfect alignment, it allows fitment of the AP Racing 5000R CP9660 calipers and BTCC-spec rotors. Ideal for clubsport, track-day, or high-performance street builds, it ensures safe, consistent braking geometry and reliable performance under stress.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision CNC machined \u003c\/li\u003e\n\u003cli\u003e6082 T6 Aluminium  \u003c\/li\u003e\n\u003cli\u003eBlack Anodised for aesthetics and longevity \u003c\/li\u003e\n\u003cli\u003eLaser Engraved XC3 Logo\u003c\/li\u003e\n\u003cli\u003e12.9 Tensile mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eVW Golf GTI \/ R MK5 MK6\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768821670225,"sku":"XC3-CB-003","price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/VW-Golf-GTI-Golf-R-MK5-MK6-Caliper-Carrier-Bracket-for-AP-Racing-CP9660-BTCC-368mm-Rotors-_-XC3-Engineering-XC3-Engineering-173329172.webp?v=1778676292"},{"product_id":"vw-golf-golf-gti-r-mk5-mk6-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering-copy","title":"VW Golf GTI \/ R MK7 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003eUpgrade your \u003cspan\u003eVW Golf GTI \/ R MK7\u003c\/span\u003e with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 class=\"product-meta__title heading h1\"\u003eGolf GTI \/ R MK7\u003c\/h1\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768842150225,"sku":"XC3-APCP9660-NCKL-MK7GOLF","price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F87-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Nickel-Plated-Calipers-_Complete-Kit_-_-XC3-Engineering-XC3-Engineering-154451729.webp?v=1774279676"},{"product_id":"vw-golf-gti-r-mk5-mk6-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering-copy","title":"VW Golf GTI \/ R MK7 – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp\u003e\u003cspan\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the VW Golf GTI \/ R MK7. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd\u003eHigh-end\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVW Golf GTI \/ R MK7\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/therossocorsacollective.com\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e\u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor availability.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768853913937,"sku":"XC3-APCP9660-MK7GOLF","price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-M3-M4-F80-F82-F83-F87-_-BTCC-Big-Brake-Kit-_-AP-Racing-CP9660-Complete-Upgrade-_-XC3-Engineering-XC3-Engineering-154454442.webp?v=1774279704"},{"product_id":"vw-golf-gti-r-mk5-mk6-btcc-custom-rotor-bells-368-mm-36-mm-for-ap-racing-cp9660-calipers-xc3-engineering-copy","title":"VW Golf GTI \/ R MK7 BTCC Custom Rotor Bells – 368 mm × 36 mm for AP Racing CP9660 Calipers | XC3 Engineering","description":"\u003ch4\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your \u003cspan\u003eVW Golf GTI \/ R MK7\u003c\/span\u003e with these bespoke BTCC-spec rotor bells from XC3 Engineering. Machined from high-quality 6082-T6 aluminium and designed to mount 368 mm × 36 mm rotors with AP Racing CP9660 calipers - our rotor bells make a big-brake upgrade straightforward, precise, and reliable. Whether you’re on a track build, clubsport car, or high-performance road machine, these bells deliver accurate rotor alignment, heat-resistant performance, and track-ready durability.\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e6082 T6 Aluminium \u003c\/li\u003e\n\u003cli\u003ePrecision CNC'd\u003c\/li\u003e\n\u003cli\u003eBlack anodised for enhanced aesthetics and durability   \u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in the UK\u003c\/li\u003e\n\u003cli\u003eXC3 CNC engraved logo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-start=\"67\" data-end=\"88\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"91\" data-end=\"450\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eVW Golf GTI \/ R MK7\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768865284433,"sku":"XC3-RB-002","price":245.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/BMW-M2-F87-M3-F80-M4-F82-BTCC-Custom-Rotor-Bells-_-368-mm-_-36-mm-for-AP-Racing-CP9660-Calipers-_-XC3-Engineering-XC3-Engineering-154443585.jpg?v=1774279588"},{"product_id":"vw-golf-gti-golf-r-mk5-mk6-caliper-carrier-bracket-for-ap-racing-cp9660-btcc-368mm-rotors-xc3-engineering-copy","title":"VW Golf GTI \/ Golf R Mk7 Caliper Carrier Bracket for AP Racing CP9660 BTCC 368mm Rotors | XC3 Engineering","description":"\u003cp\u003eThis high-precision caliper carrier from XC3 Engineering is the essential link between your \u003cspan\u003eVolkswagen Golf GTI \/ R MK7\u003c\/span\u003e wheel hub and a big-brake setup. CNC-machined from 6082-T6 aluminium, anodised for durability, and engineered for perfect alignment, it allows fitment of the AP Racing 5000R CP9660 calipers and BTCC-spec rotors. Ideal for clubsport, track-day, or high-performance street builds, it ensures safe, consistent braking geometry and reliable performance under stress.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKit Details and Contents:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision CNC machined \u003c\/li\u003e\n\u003cli\u003e6082 T6 Aluminium  \u003c\/li\u003e\n\u003cli\u003eBlack Anodised for aesthetics and longevity \u003c\/li\u003e\n\u003cli\u003eLaser Engraved XC3 Logo\u003c\/li\u003e\n\u003cli\u003e12.9 Tensile mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong data-end=\"88\" data-start=\"67\"\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-end=\"450\" data-start=\"91\"\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eVolkswagen Golf GTI \/ R MK7\u003c\/span\u003e\u003c\/p\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53768878719313,"sku":"XC3-CB-003","price":225.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6371\/5665\/files\/VW-Golf-GTI-Golf-R-MK5-MK6-Caliper-Carrier-Bracket-for-AP-Racing-CP9660-BTCC-368mm-Rotors-_-XC3-Engineering-XC3-Engineering-173329172.webp?v=1778676292"}],"url":"https:\/\/therossocorsacollective.com\/collections\/big-brake-kits.oembed","provider":"The Rosso Corsa Collective","version":"1.0","type":"link"}