{"product_id":"ram-1500-classic-2011-2019-hd-challenge-rear-brake-system-380x32","title":"Ram 1500 2011-2019 HD Challenge Rear Brake System","description":"\u003ch4\u003eMaximum Rear Clamping Force for Classic Ram Trucks\u003c\/h4\u003e\n\u003cp\u003eThis Rotora HD Challenge kit steps the rear brakes on 2011-2019 Ram 1500 Classic (DS chassis) trucks up to a 4-piston RG404 caliper and a large 380x32mm 2-piece rotor. It is built for trucks that see the heaviest towing and hauling duty, where extra rotor mass and swept area help control heat over long descents and repeated hard stops. The complete kit includes pads, lines, and brackets for a clean bolt-on install.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRotora RG404 4-piston rear caliper\u003c\/li\u003e\n\u003cli\u003e380x32mm 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-380x32.01\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 RG404\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Size\u003c\/td\u003e\n\u003ctd\u003e380x32mm\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 RG404 4-piston calipers\u003c\/li\u003e\n\u003cli\u003ePair of 380x32mm 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-380x32.01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HDRamDS-380x32.01 is the Rotora HD Challenge rear big brake kit built for the 2011-2019 Ram 1500 Classic. It pairs a 4-piston RG404 caliper with a 380x32mm 2-piece rotor, the largest rear option in the HD Challenge lineup for this chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this kit compare to the 355x32mm rear kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis kit uses a larger 380mm rotor diameter for additional swept area and heat capacity, making it a better fit for trucks used for heavier or more frequent towing than the 355mm option.\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 heavy towing and hauling, with a large rear rotor and strong caliper compared to 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 380x32mm 2-piece rotor onto the hub.\u003c\/li\u003e\n\u003cli\u003eInstall the RG404 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":40648173322319,"sku":"HDRamDS-380x32.01ES","price":3095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Red","offer_id":46153271640143,"sku":"HDRamDS-380x32.01AS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Orange","offer_id":46153271836751,"sku":"HDRamDS-380x32.01KS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Yellow","offer_id":46153271771215,"sku":"HDRamDS-380x32.01YS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Green","offer_id":46153271902287,"sku":"HDRamDS-380x32.01HS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Light Blue","offer_id":46153271967823,"sku":"HDRamDS-380x32.01MS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Blue","offer_id":46153272033359,"sku":"HDRamDS-380x32.01BS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Black","offer_id":46153272164431,"sku":"HDRamDS-380x32.01GS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ Silver","offer_id":46153272098895,"sku":"HDRamDS-380x32.01FS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Slotted \/ White","offer_id":46153271705679,"sku":"HDRamDS-380x32.01WS","price":3295.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Zinc","offer_id":40648173355087,"sku":"HDRamDS-380x32.01EX","price":3195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Red","offer_id":46153271672911,"sku":"HDRamDS-380x32.01AX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Orange","offer_id":46153271869519,"sku":"HDRamDS-380x32.01KX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Yellow","offer_id":46153271803983,"sku":"HDRamDS-380x32.01YX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Green","offer_id":46153271935055,"sku":"HDRamDS-380x32.01HX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Light Blue","offer_id":46153272000591,"sku":"HDRamDS-380x32.01MX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Blue","offer_id":46153272066127,"sku":"HDRamDS-380x32.01BX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Black","offer_id":46153272197199,"sku":"HDRamDS-380x32.01GX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ Silver","offer_id":46153272131663,"sku":"HDRamDS-380x32.01FX","price":3395.0,"currency_code":"USD","in_stock":false},{"title":"Drilled \/ White","offer_id":46153271738447,"sku":"HDRamDS-380x32.01WX","price":3395.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rotora_hd_kit_slotted_zinc_v2_71d53740-f43c-41f7-a042-3861b759d464.png?v=1784777111","url":"https:\/\/www.blackopsautoworks.com\/products\/ram-1500-classic-2011-2019-hd-challenge-rear-brake-system-380x32","provider":"Black Ops Auto Works","version":"1.0","type":"link"}