{"product_id":"girodisc-gd355-32-52-bmw-rear-replacement-brake-disc-rings","title":"GiroDisc GD355.32.52 355x32mm Replacement Brake Rings and Hardware","description":"\u003cp\u003eGiroDisc GD355.32.52 replacement rings are a 355 x 32mm service option for the exact brake assemblies listed below, including the rear of the BMW M2 CS Racing Clubsport 450 PS. Diameter alone is not sufficient to establish compatibility with a brake bell or caliper.\u003c\/p\u003e\u003cp\u003eThe cast-iron rings use a curved internal vane design. Their mounting dimensions must match the original centre bells for the specified application, including the annulus, mounting holes and air gap. This part number is also the listed service ring for the GiroDisc A2-296 assembly.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e355 x 32mm replacement iron rings\u003c\/li\u003e\n\u003cli\u003e52mm annulus with 10 mounting holes\u003c\/li\u003e\n\u003cli\u003e16mm air gap\u003c\/li\u003e\n\u003cli\u003eSupplied as a pair of rings with two hardware kits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment and Brake Setup\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eAxle\u003c\/th\u003e\n\u003cth\u003eModel years\u003c\/th\u003e\n\u003cth\u003eRequired brake setup\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW Motorsport M2 CS Racing Clubsport\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e450 PS version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge Viper\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e2003-\u003c\/td\u003e\n\u003ctd\u003eMatch the specified vehicle and installed brake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge Viper\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e2003-\u003c\/td\u003e\n\u003ctd\u003eMatch the specified vehicle and installed brake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge Viper ACR-X\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eGen 4 track-only variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrari F40 LM\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e355mm LM setup, or with spacers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrari F40 LM\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e355mm LM setup, or with spacers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrari 355 Challenge\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMatch the specified vehicle and installed brake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrari 355 Challenge\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMatch the specified vehicle and installed brake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrari 360 Modena Challenge\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMatch the specified vehicle and installed brake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord Mustang FR500S (S197)\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMatch the specified vehicle and installed brake system.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecified compatible 355x32mm brake assemblies\u003c\/td\u003e\n\u003ctd\u003eAccording to application\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e52mm annulus, 10 mounting holes and 16mm air gap; verify the complete mounting specification.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eUse only with the appropriate original rotor bells or the explicitly listed GiroDisc assembly. This is not a universal ring for every 355mm brake kit. Verify the bell interface and full dimensional specification before ordering.\u003c\/p\u003e\u003cp\u003eThe BMW Motorsport entries identify factory race cars. M235iR\/M240iR, M2 CS Racing 365 PS and M2 CS Racing Clubsport 450 PS specifications must not be treated as interchangeable road-car fitments.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eGD355.32.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGiroDisc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eReplacement Brake Disc Rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle\u003c\/td\u003e\n\u003ctd\u003eFront or rear, according to the listed application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc dimensions\u003c\/td\u003e\n\u003ctd\u003e355 x 32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnnulus\u003c\/td\u003e\n\u003ctd\u003e52mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting holes\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir gap\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair of rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eTwo hardware kits included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentre bells\u003c\/td\u003e\n\u003ctd\u003eMatching original bells or the explicitly listed assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eRecommended Supporting Upgrades\u003c\/h3\u003e\u003cp\u003eThese rings service the matching \u003ca href=\"\/products\/girodisc-a2-296-bmw-rear-2-piece-brake-discs\"\u003eA2-296 complete disc assembly\u003c\/a\u003e. Each application uses the correct centre bell for that assembly.\u003c\/p\u003e\u003cp\u003eExplore \u003ca href=\"\/collections\/girodisc-bmw-brakes\"\u003eGiroDisc BMW brakes\u003c\/a\u003e and the \u003ca href=\"\/collections\/girodisc-racing-brake-technology\"\u003ecomplete GiroDisc range\u003c\/a\u003e for supporting brake components.\u003c\/p\u003e\u003ch3\u003eInstallation and Care\u003c\/h3\u003e\u003cp\u003eInspect the existing centre bells and use the appropriate new hardware for the verified mounting arrangement. Follow the instructions for the exact brake assembly, including ring direction, clearances and tightening procedure. Confirm the specified brake pads and usable disc thickness before returning the car to service.\u003c\/p\u003e\u003cp\u003eContact us to confirm availability and lead time before ordering.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eProduct images may be illustrative. Use the part number and specifications to confirm the item required.\u003c\/small\u003e\u003c\/p\u003e","brand":"Girodisc","offers":[{"title":"Default Title","offer_id":67574057861510,"sku":"GD355.32.52","price":1166.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/0411\/2989\/files\/girodisc-gd355-32-52.jpg?v=1791233383","url":"https:\/\/www.nineteen72performance.com\/products\/girodisc-gd355-32-52-bmw-rear-replacement-brake-disc-rings","provider":"Nineteen72 Performance","version":"1.0","type":"link"}