{"product_id":"ram-1500-2019-2026-hd-challenge-rear-brake-system","title":"Ram 1500 2019-2026 HD Challenge Rear Brake System","description":"\u003ch4\u003eHeavy Duty Rear Braking Built for the DT Platform\u003c\/h4\u003e\n\u003cp\u003eThis Rotora HD Challenge kit upgrades the rear brakes on 2019-2026 Ram 1500 (DT chassis) trucks, including the 2021-2024 TRX, with a 4-piston RG408 caliper and a 380x32mm 2-piece rotor. It is designed to match the increased stopping demands of towing, hauling, and high-speed driving on the newer DT platform. Since the DT trucks use an electronic parking brake integrated into the rear caliper, this kit includes an EPBB module to keep that system working correctly.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRotora RG408 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\u003eIncludes Electronic Parking Brake Bypass (EPBB) module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\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\u003e2019-2026\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e1500 TRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\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\u003eHDTRX-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 RG408\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\u003eEPBB Module\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eDT\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\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair of RG408 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\u003eElectronic Parking Brake Bypass (EPBB) module\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\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the HDTRX-380x32.01?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HDTRX-380x32.01 is the Rotora HD Challenge rear big brake kit built for the 2019-2026 Ram 1500 DT chassis and the 2021-2024 TRX. It uses a 4-piston RG408 caliper and a 380x32mm 2-piece rotor along with an EPBB module for the electronic parking brake.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does this kit need an EPBB module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe DT chassis Ram 1500 uses an electronic parking brake actuator integrated into the factory rear caliper. The EPBB module allows the new caliper to be installed while keeping the factory electronic parking brake function intact.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit the TRX as well as the standard Ram 1500?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. This kit fits the 2019-2026 Ram 1500 DT and the 2021-2024 TRX, which shares the same rear hub and axle dimensions relevant to this brake upgrade.\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\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 EPBB module per the included wiring instructions to maintain electronic parking brake function.\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 RG408 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, then reinstall the wheels and torque to spec.\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\" rel=\"noopener\" target=\"_blank\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Rotora","offers":[{"title":"Slotted \/ Zinc","offer_id":46153291956303,"sku":"HDTRX-380x32.01ES","price":3895.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Red","offer_id":46153292021839,"sku":"HDTRX-380x32.01AS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Orange","offer_id":46153292218447,"sku":"HDTRX-380x32.01KS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Yellow","offer_id":46153292152911,"sku":"HDTRX-380x32.01YS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Green","offer_id":46153292283983,"sku":"HDTRX-380x32.01HS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Light Blue","offer_id":46153292349519,"sku":"HDTRX-380x32.01MS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Blue","offer_id":46153292415055,"sku":"HDTRX-380x32.01BS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Black","offer_id":46153292546127,"sku":"HDTRX-380x32.01GS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ Silver","offer_id":46153292480591,"sku":"HDTRX-380x32.01FS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Slotted \/ White","offer_id":46153292087375,"sku":"HDTRX-380x32.01WS","price":4095.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Zinc","offer_id":46153291989071,"sku":"HDTRX-380x32.01EX","price":3995.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Red","offer_id":46153292054607,"sku":"HDTRX-380x32.01AX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Orange","offer_id":46153292251215,"sku":"HDTRX-380x32.01KX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Yellow","offer_id":46153292185679,"sku":"HDTRX-380x32.01YX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Green","offer_id":46153292316751,"sku":"HDTRX-380x32.01HX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Light Blue","offer_id":46153292382287,"sku":"HDTRX-380x32.01MX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Blue","offer_id":46153292447823,"sku":"HDTRX-380x32.01BX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Black","offer_id":46153292578895,"sku":"HDTRX-380x32.01GX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ Silver","offer_id":46153292513359,"sku":"HDTRX-380x32.01FX","price":4195.0,"currency_code":"USD","in_stock":true},{"title":"Drilled \/ White","offer_id":46153292120143,"sku":"HDTRX-380x32.01WX","price":4195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rotora-challenge-slotted-zinc_695c324b-f63d-45e8-8f42-b8b285865907.webp?v=1784856245","url":"https:\/\/www.blackopsautoworks.com\/products\/ram-1500-2019-2026-hd-challenge-rear-brake-system","provider":"Black Ops Auto Works","version":"1.0","type":"link"}