{"product_id":"ram-1500-classic-2011-2019-hd-challenge-rear-brake-system-355x32","title":"Ram 1500 2011-2019 HD Challenge Rear Brake System","description":"\u003ch4\u003eBalanced Rear Braking for Heavy Loads\u003c\/h4\u003e\n\u003cp\u003eThis Rotora HD Challenge kit upgrades the rear brakes on 2011-2019 Ram 1500 Classic (DS chassis) trucks with a 4-piston caliper and a larger 355x32mm 2-piece rotor. Matching the rear brakes to a bigger front kit keeps braking balance even under a loaded bed, trailer, or heavy tow package. The kit arrives complete with pads, lines, and brackets for a straightforward bolt-on rear brake upgrade.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRotora RG403 4-piston rear caliper\u003c\/li\u003e\n\u003cli\u003e355x32mm 2-piece directional rotor\u003c\/li\u003e\n\u003cli\u003eHeat-treated, zinc-plated disc face for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHD floating drive hardware for consistent rotor centering\u003c\/li\u003e\n\u003cli\u003eHD graphite-metallic brake pads included\u003c\/li\u003e\n\u003cli\u003eStainless steel braided DOT-compliant brake lines\u003c\/li\u003e\n\u003cli\u003eS45C steel caliper mounting brackets\u003c\/li\u003e\n\u003cli\u003eAvailable in 10 caliper colors\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment, no cutting or drilling required\u003c\/li\u003e\n\u003cli\u003eChoice of slotted or drilled rotor face\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\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\n\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\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eHDRamDS-355x32.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Type\u003c\/td\u003e\n\u003ctd\u003e4-Piston RG403\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 Construction\u003c\/td\u003e\n\u003ctd\u003e2-Piece Directional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBell Hat Material\u003c\/td\u003e\n\u003ctd\u003eS45C Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisc Options\u003c\/td\u003e\n\u003ctd\u003eSlotted (S) or Drilled (X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePad Type\u003c\/td\u003e\n\u003ctd\u003eHD Graphite-Metallic, Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Lines\u003c\/td\u003e\n\u003ctd\u003eStainless Steel Braided, DOT Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eDS (Classic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair of RG403 4-piston calipers\u003c\/li\u003e\n\u003cli\u003ePair of 355x32mm 2-piece rotors\u003c\/li\u003e\n\u003cli\u003eHD graphite-metallic brake pads\u003c\/li\u003e\n\u003cli\u003eS45C caliper mounting brackets\u003c\/li\u003e\n\u003cli\u003eStainless steel braided brake lines\u003c\/li\u003e\n\u003cli\u003eAll mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Rotora\u003c\/h4\u003e\n\u003cp\u003eRotora designs and manufactures big brake kits and performance rotors for street, tow, and track applications. Every HD Challenge kit is engineered around a two-piece rotor design and a heavy-duty caliper to handle the added weight and stress of full-size truck use, while keeping installation straightforward for a home garage or professional shop.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/ram-1500-classic\" target=\"_blank\" rel=\"noopener\"\u003eRam 1500 Classic Brake Kits\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/big-brake-kits\" target=\"_blank\" rel=\"noopener\"\u003eAll Rotora Big Brake Kits\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/brake-pads\" target=\"_blank\" rel=\"noopener\"\u003eReplacement Brake Pads\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/brake-lines\" target=\"_blank\" rel=\"noopener\"\u003eStainless Brake Lines\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the HDRamDS-355x32.01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HDRamDS-355x32.01 is the Rotora HD Challenge rear big brake kit built for the 2011-2019 Ram 1500 Classic. It pairs a 4-piston RG403 caliper with a 355x32mm 2-piece rotor for improved heat capacity and rear stopping power over the stock rear brakes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I install this rear kit with a matching front kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePairing a rear upgrade with a compatible front kit helps keep braking balance consistent, but this rear kit can also be installed on its own with the factory front brakes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit work with the factory parking brake?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This rear kit retains compatibility with the factory drum-in-hat or integrated parking brake setup used on the DS chassis Ram 1500 Classic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit work with the factory ABS system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The kit retains the stock ABS sensor and tone ring, so the factory anti-lock braking system continues to function normally after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between slotted and drilled rotors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSlotted rotors clear gas and debris from the pad surface and hold up well under sustained heavy loads. Drilled rotors offer similar cooling benefits with a different look, though they see slightly more wear under extreme towing duty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need new pads with this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. HD graphite-metallic pads matched to the rotor and caliper are included in every kit, so there is nothing extra to buy for the initial installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run this kit on a truck used for towing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This kit is built for the added mass and heat load of towing and hauling, with a larger rear rotor and stronger caliper than the factory rear brakes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat caliper colors are available?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis kit is available in 10 caliper finishes including zinc, red, orange, yellow, green, light blue, blue, silver, black, and white.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRaise and support the rear of the truck, then remove the rear wheels.\u003c\/li\u003e\n\u003cli\u003eRemove the factory caliper, bracket, and rotor from each rear hub.\u003c\/li\u003e\n\u003cli\u003eInstall the included S45C caliper bracket onto the factory hub using the provided hardware.\u003c\/li\u003e\n\u003cli\u003eMount the new 355x32mm 2-piece rotor onto the hub.\u003c\/li\u003e\n\u003cli\u003eInstall the RG403 caliper and included HD graphite-metallic pads onto the bracket.\u003c\/li\u003e\n\u003cli\u003eConnect the new stainless steel braided brake line to the caliper and existing hard line.\u003c\/li\u003e\n\u003cli\u003eBleed the brake system at each caliper until fluid runs clear of air.\u003c\/li\u003e\n\u003cli\u003eReinstall the wheels, torque to spec, and bed in the new pads with gradual stops before normal driving.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including brake dust, which are known to the State of California to cause cancer. For more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Rotora","offers":[{"title":"Slotted \/ Zinc","offer_id":40648166113359,"sku":"HDRamDS-355x32.01ES","price":2595.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Red","offer_id":46153268592719,"sku":"HDRamDS-355x32.01AS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Orange","offer_id":46153268789327,"sku":"HDRamDS-355x32.01KS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Yellow","offer_id":46153268723791,"sku":"HDRamDS-355x32.01YS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Green","offer_id":46153268854863,"sku":"HDRamDS-355x32.01HS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Light Blue","offer_id":46153268920399,"sku":"HDRamDS-355x32.01MS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Blue","offer_id":46153268985935,"sku":"HDRamDS-355x32.01BS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Black","offer_id":46153269117007,"sku":"HDRamDS-355x32.01GS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Silver","offer_id":46153269051471,"sku":"HDRamDS-355x32.01FS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ White","offer_id":46153268658255,"sku":"HDRamDS-355x32.01WS","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Zinc","offer_id":40648166146127,"sku":"HDRamDS-355x32.01EX","price":2695.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Red","offer_id":46153268625487,"sku":"HDRamDS-355x32.01AX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Orange","offer_id":46153268822095,"sku":"HDRamDS-355x32.01KX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Yellow","offer_id":46153268756559,"sku":"HDRamDS-355x32.01YX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Green","offer_id":46153268887631,"sku":"HDRamDS-355x32.01HX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Light Blue","offer_id":46153268953167,"sku":"HDRamDS-355x32.01MX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Blue","offer_id":46153269018703,"sku":"HDRamDS-355x32.01BX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Black","offer_id":46153269149775,"sku":"HDRamDS-355x32.01GX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Silver","offer_id":46153269084239,"sku":"HDRamDS-355x32.01FX","price":2895.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ White","offer_id":46153268691023,"sku":"HDRamDS-355x32.01WX","price":2895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rotora_hd_kit_slotted_zinc_v2_d3e3403b-86fa-41dc-8d2d-bd8da2c36159.png?v=1784777093","url":"https:\/\/www.blackopsautoworks.com\/products\/ram-1500-classic-2011-2019-hd-challenge-rear-brake-system-355x32","provider":"Black Ops Auto Works","version":"1.0","type":"link"}