{"product_id":"ram-1500-2011-2019-hd-challenge-rear-brake-system-380x32","title":"Ram 1500 2011-2019 HD Challenge Rear Brake System","description":"\u003ch4\u003eHigh-Capacity Rear Braking for the 2011-2019 Ram 1500: Rotora HD RamDS-380x32 HD Challenge Rear Brake System\u003c\/h4\u003e\n\u003cp\u003eThe HDRamDS-380x32 HD Challenge Rear Brake System brings an upgraded 380x32mm two-piece floating rotor and RG404 4-piston monoblock caliper to the rear axle of the 2011-2019 Ram 1500 Classic (DS platform). Larger than the 355x32 rear option, the HDRamDS-380x32 provides additional rotor mass for improved thermal capacity under heavy or repeated braking loads. This kit retains OEM brake lines and installs without cutting or fabrication.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e380x32mm two-piece floating disc rotor with aluminum hat\u003c\/li\u003e\n\u003cli\u003eRG404 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\u003eOEM brake lines retained on this rear kit\u003c\/li\u003e\n\u003cli\u003eStreet, Street-Track, and Track-Race capable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\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\u003c\/thead\u003e\n\u003ctbody\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\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eHDRamDS-380x32\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\u003e380x32mm\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\u003eRG404\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\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2x 380x32mm two-piece floating rotors (rear pair)\u003c\/li\u003e\n\u003cli\u003e2x RG404 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\n\u003ch4\u003eAbout Rotora\u003c\/h4\u003e\n\u003cp\u003eRotora designs and manufactures high-performance brake systems for street, street-track, and track applications. The HD Challenge series for Ram trucks delivers serious stopping power with fitment-specific engineering and broad color customization options.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the HDRamDS-380x32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HDRamDS-380x32 is a complete rear big-brake kit for the 2011-2019 Ram 1500 featuring a 380x32mm two-piece floating rotor and RG404 4-piston monoblock caliper from Rotora's HD Challenge series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the HDRamDS-380x32 include stainless steel brake lines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The HDRamDS-380x32 rear kit retains OEM brake lines. This is a design characteristic of the DS platform rear configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the HDRamDS-380x32 and HDRamDS-355x32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HDRamDS-380x32 uses a larger 380x32mm rotor compared to the 355x32mm rotor in the HDRamDS-355x32, providing greater thermal mass. The HDRamDS-380x32 also uses the RG404 caliper vs the RG403. Choose the 380x32 for heavier towing or more aggressive track use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the HDRamDS-380x32 a direct fit for my 2011-2019 Ram 1500?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The HDRamDS-380x32 is engineered as a direct-fit rear brake kit for the Ram 1500 DS platform spanning 2011 through 2019. No cutting, welding, or fabrication required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat caliper colors are available on the HDRamDS-380x32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTen colors are offered: Zinc (standard, no upcharge), Red, White, Yellow, Orange, Green, Light Blue, Blue, Silver, and Black. Non-Zinc colors carry a per-axle upcharge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the HDRamDS-380x32 clear my 20-inch wheels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HDRamDS-380x32 is designed for 20-inch and larger wheels. Verify clearance with your specific wheel and brake setup before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the HDRamDS-380x32 be used for towing applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The larger rotor size of the HDRamDS-380x32 increases thermal capacity, making it suitable for trucks regularly used for towing and hauling heavy loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat brake pads are recommended for the HDRamDS-380x32?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRotora recommends using their matched performance brake pads for the HDRamDS-380x32 to ensure optimal pad-to-rotor bedding and consistent performance across street and track conditions.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\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-380x32 caliper mounting bracket using supplied hardware.\u003c\/li\u003e\n\u003cli\u003eMount the 380x32mm two-piece rotor onto the rear hub.\u003c\/li\u003e\n\u003cli\u003eInstall the RG404 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\n\u003cp\u003eWARNING: This product can expose you to chemicals including Chromium (hexavalent compounds), which is known to the State of California to cause cancer. 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