{"product_id":"girodisc-2021-cadillac-ct4-v-blackwing-slotted-rear-rings","title":"GiroDisc 2021+ Cadillac CT4-V Blackwing Slotted Rear Rings","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eD2-318\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGirodisc 2022+ Cadillac CT4-V Blackwing Slotted Rear Rings\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGirodisc slotted rear rotor rings deliver track-ready braking for 2022+ Cadillac CT4-V Blackwing models. These direct bolt-on replacements use a two-piece design with high-carbon steel friction rings mounted on OEM hats. Drivers gain reduced unsprung weight better heat dissipation and consistent stopping power under high loads.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted Surfaces:\u003c\/strong\u003e Narrow slots on both sides clear water gases and debris for immediate bite and reduced fade during aggressive driving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved Vane Design:\u003c\/strong\u003e Patented internal vanes direct air through the rotor for 20% faster cooling than straight vane competitors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Carbon Alloy:\u003c\/strong\u003e 48-series steel construction resists thermal cracking and warping even after repeated track sessions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Build:\u003c\/strong\u003e Each ring weighs 17.2 lbs for 4.8 lbs savings per side over OEM 22 lbs rotors totaling 9.6 lbs less unsprung mass per axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Dimensions:\u003c\/strong\u003e 380mm x 30mm size matches OEM specs with floating two-piece setup that expands\/contracts independently to prevent hat-ring separation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as a pair for complete rear axle upgrade\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM calipers pads and ABS systems\u003c\/li\u003e\n\u003cli\u003eFollow Girodisc bed-in procedure for peak performance: 10-10-3 cycles of progressive stops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eBolt directly to OEM rotor hats using factory hardware no modifications needed\u003c\/li\u003e\n\u003cli\u003eTorque hub bolts to 133 ft-lbs and caliper to 25 ft-lbs per Cadillac service specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2025\u003c\/td\u003e\n\u003ctd\u003eCadillac\u003c\/td\u003e\n\u003ctd\u003eCT4-V Blackwing\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Girodisc?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRace-proven in IMSA GT3 and NASA classes on Cadillac platforms\u003c\/li\u003e\n\u003cli\u003eHand-assembled in USA with aerospace-grade materials and machining\u003c\/li\u003e\n\u003cli\u003eEngineered for 2x heat capacity over stock rotors in dyno-tested conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will these fit 2022-2025 CT4-V Blackwing with standard brakes?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct replacement for OEM rear rotors on all CT4-V Blackwing models no submodel exclusions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the rings made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Stress-relieved high-carbon 48-series steel with 0.2% carbon content for ductility and heat resistance up to 1200°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty coverage?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 12-month unlimited mileage warranty against defects cracking or warping with proper bed-in and no abuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Pair boxed in protective foam-lined carton 18 x 18 x 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 38 lbs per set\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GiroDisc","offers":[{"title":"Default Title","offer_id":44444097675343,"sku":"GIRD2-318","price":880.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/girodisc-2021-cadillac-ct4-v-blackwing-slotted-rear-rings-girodisc.jpg?v=1770665452","url":"https:\/\/www.blackopsautoworks.com\/products\/girodisc-2021-cadillac-ct4-v-blackwing-slotted-rear-rings","provider":"Black Ops Auto Works","version":"1.0","type":"link"}