{"product_id":"ram-1500-2011-2019-hd-challenge-rear-brake-system-355x32","title":"Ram 1500 2011-2019 HD Challenge Rear Brake System","description":"\u003ch4\u003eMatched Rear Braking for the 2011-2019 Ram 1500: Rotora HDRamDS-355x32 HD Challenge Rear Brake System\u003c\/h4\u003e\u003cp\u003eThe HDRamDS-355x32 HD Challenge Rear Brake System delivers purpose-built rear axle braking for the 2011-2019 Ram 1500 Classic (DS platform). A 355x32mm two-piece floating rotor and RG403 4-piston monoblock caliper provide the rear stopping force to properly balance a front big-brake upgrade or stand alone as a significant improvement over the factory rear brakes. The HDRamDS-355x32 is the rear axle counterpart in Rotora's Ram DS HD Challenge series.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e355x32mm two-piece floating disc rotor with aluminum hat\u003c\/li\u003e\n\u003cli\u003eRG403 forged 4-piston monoblock caliper\u003c\/li\u003e\n\u003cli\u003eBlack powder-coated hat on all color variants\u003c\/li\u003e\n\u003cli\u003e10 caliper color options: Zinc, Red, White, Yellow, Orange, Green, Light Blue, Blue, Silver, Black\u003c\/li\u003e\n\u003cli\u003eSlotted or Cross-Drilled disc pattern available\u003c\/li\u003e\n\u003cli\u003eDirect-fit OEM bracket replacement\u003c\/li\u003e\n\u003cli\u003eNote: OEM brake lines are retained on this rear kit\u003c\/li\u003e\n\u003cli\u003eStreet and Street-Track capable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e2011-2019\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eHDRamDS-355x32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRotora\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle Position\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Size\u003c\/td\u003e\n\u003ctd\u003e355x32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Type\u003c\/td\u003e\n\u003ctd\u003e2-Piece Floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Model\u003c\/td\u003e\n\u003ctd\u003eRG403\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Count\u003c\/td\u003e\n\u003ctd\u003e4-Piston Monoblock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHat Color\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Lines\u003c\/td\u003e\n\u003ctd\u003eOEM lines retained\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eSee product label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2x 355x32mm two-piece floating rotors (rear pair)\u003c\/li\u003e\n\u003cli\u003e2x RG403 4-piston monoblock calipers\u003c\/li\u003e\n\u003cli\u003eCaliper mounting brackets\u003c\/li\u003e\n\u003cli\u003eHardware and installation hardware kit\u003c\/li\u003e\n\u003cli\u003eRotora instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Rotora\u003c\/h4\u003e\u003cp\u003eRotora engineers high-performance brake systems for enthusiasts who demand more from their vehicles. The HD Challenge series for Ram trucks is designed to match the performance capabilities of modern trucks across towing, hauling, and performance driving scenarios.\u003c\/p\u003e\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\u003cstrong\u003eWhat is the HDRamDS-355x32?\u003c\/strong\u003e\u003cp\u003eThe HDRamDS-355x32 is a complete rear big-brake kit for the 2011-2019 Ram 1500 featuring a 355x32mm two-piece floating rotor and RG403 4-piston monoblock caliper from Rotora's HD Challenge series.\u003c\/p\u003e\u003cstrong\u003eDoes the HDRamDS-355x32 include stainless steel brake lines?\u003c\/strong\u003e\u003cp\u003eNo. The HDRamDS-355x32 rear kit retains the OEM brake lines. Stainless lines are included with the front kit (HDRamDS-390x36) but not the rear kit due to the rear hard-line configuration on the DS platform.\u003c\/p\u003e\u003cstrong\u003eIs the HDRamDS-355x32 a direct fit for my 2011-2019 Ram 1500?\u003c\/strong\u003e\u003cp\u003eYes. The HDRamDS-355x32 is engineered as a direct-fit rear brake kit for the Ram 1500 DS platform (2011-2019). No cutting, welding, or custom fabrication is required.\u003c\/p\u003e\u003cstrong\u003eWhat caliper colors are available on the HDRamDS-355x32?\u003c\/strong\u003e\u003cp\u003eTen colors are available: Zinc (standard, no upcharge), Red, White, Yellow, Orange, Green, Light Blue, Blue, Silver, and Black. Color upgrades carry a per-axle upcharge.\u003c\/p\u003e\u003cstrong\u003eCan I use the HDRamDS-355x32 without upgrading the front brakes?\u003c\/strong\u003e\u003cp\u003eYes, but for optimal braking balance Rotora recommends pairing the HDRamDS-355x32 rear kit with the HDRamDS-390x36 front kit for a complete HD Challenge axle-to-axle upgrade.\u003c\/p\u003e\u003cstrong\u003eWhat is the difference between Slotted and Cross-Drilled on the HDRamDS-355x32?\u003c\/strong\u003e\u003cp\u003eSlotted rotors offer consistent fade resistance and are preferred for track use. Cross-Drilled rotors provide additional surface cooling and are popular for street-track builds. Both patterns are available.\u003c\/p\u003e\u003cstrong\u003eIs the HDRamDS-355x32 suitable for trucks used for towing?\u003c\/strong\u003e\u003cp\u003eYes. The increased rotor mass and 4-piston caliper of the HDRamDS-355x32 significantly improve rear braking capacity over factory brakes, making it well-suited for towing applications.\u003c\/p\u003e\u003cstrong\u003eWhat wheel size is required to clear the HDRamDS-355x32?\u003c\/strong\u003e\u003cp\u003eA minimum 20-inch wheel is recommended for the HDRamDS-355x32. Verify clearance with your specific wheel and tire setup before purchasing.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eSafely lift the vehicle and remove the rear wheels.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear caliper, bracket, and rotor.\u003c\/li\u003e\n\u003cli\u003eInstall the HDRamDS-355x32 caliper mounting bracket using supplied hardware.\u003c\/li\u003e\n\u003cli\u003eMount the 355x32mm two-piece rotor onto the rear hub.\u003c\/li\u003e\n\u003cli\u003eInstall the RG403 4-piston caliper and torque to specification.\u003c\/li\u003e\n\u003cli\u003eReconnect OEM brake lines.\u003c\/li\u003e\n\u003cli\u003eBleed the rear brake circuit thoroughly.\u003c\/li\u003e\n\u003cli\u003eReinstall wheels and perform the recommended bedding procedure before hard braking.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eWARNING: This product can expose you to chemicals including Chromium (hexavalent compounds), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Rotora","offers":[{"title":"Zinc \/ Slotted","offer_id":40648166113359,"sku":"HDRamDS-355x32.01ES","price":2595.0,"currency_code":"USD","in_stock":true},{"title":"Zinc \/ Drilled","offer_id":40648166146127,"sku":"HDRamDS-355x32.01EX","price":2695.0,"currency_code":"USD","in_stock":true},{"title":"Red \/ Slotted","offer_id":46153268592719,"sku":"HDRamDS-355x32.01AS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Red \/ Drilled","offer_id":46153268625487,"sku":"HDRamDS-355x32.01AX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"White \/ Slotted","offer_id":46153268658255,"sku":"HDRamDS-355x32.01WS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"White \/ Drilled","offer_id":46153268691023,"sku":"HDRamDS-355x32.01WX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Yellow \/ Slotted","offer_id":46153268723791,"sku":"HDRamDS-355x32.01YS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Yellow \/ Drilled","offer_id":46153268756559,"sku":"HDRamDS-355x32.01YX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Orange \/ Slotted","offer_id":46153268789327,"sku":"HDRamDS-355x32.01KS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Orange \/ Drilled","offer_id":46153268822095,"sku":"HDRamDS-355x32.01KX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Green \/ Slotted","offer_id":46153268854863,"sku":"HDRamDS-355x32.01HS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Green \/ Drilled","offer_id":46153268887631,"sku":"HDRamDS-355x32.01HX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue \/ Slotted","offer_id":46153268920399,"sku":"HDRamDS-355x32.01MS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Light Blue \/ Drilled","offer_id":46153268953167,"sku":"HDRamDS-355x32.01MX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ Slotted","offer_id":46153268985935,"sku":"HDRamDS-355x32.01BS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ Drilled","offer_id":46153269018703,"sku":"HDRamDS-355x32.01BX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Silver \/ Slotted","offer_id":46153269051471,"sku":"HDRamDS-355x32.01FS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Silver \/ Drilled","offer_id":46153269084239,"sku":"HDRamDS-355x32.01FX","price":2895.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ Slotted","offer_id":46153269117007,"sku":"HDRamDS-355x32.01GS","price":2795.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ Drilled","offer_id":46153269149775,"sku":"HDRamDS-355x32.01GX","price":2895.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/dodge-ram-1500-2011-2019-hd-challenge-rear-brake-system-big-brake-kits-rotora-2.jpg?v=1700297993","url":"https:\/\/www.blackopsautoworks.com\/products\/ram-1500-2011-2019-hd-challenge-rear-brake-system-355x32","provider":"Black Ops Auto Works","version":"1.0","type":"link"}