{"product_id":"jeep-gladiator-2020-2023-street-challenge-rear-rfk572-04","title":"Jeep Gladiator 2020-2023 Street Challenge Rear Brake System","description":"\u003ch4\u003e2-Piece Floating Rear Rotors for Gladiators That Push Hard\u003c\/h4\u003e\n\u003cp\u003eThe RFK.572.04 Rotora Street Challenge Rear Brake System steps up to a 2-piece floating rotor design for the 2020-2023 Jeep Gladiator, pairing a 4-piston RF404 caliper with a 350x29mm rotor. The floating rotor design reduces warping under heat cycling and pairs well with a front brake upgrade for Gladiators used for towing, off-roading, or spirited driving.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4-piston RF404 forged aluminum rear calipers for strong, even clamping force\u003c\/li\u003e\n\u003cli\u003e350x29mm 2-piece floating rotors resist warping under repeated heat cycling\u003c\/li\u003e\n\u003cli\u003eAvailable in slotted or drilled rotor configurations to match your driving style\u003c\/li\u003e\n\u003cli\u003eTen color options including a premium Zinc natural anodize finish\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design engineered specifically for the 2020-2023 Jeep Gladiator\u003c\/li\u003e\n\u003cli\u003eIncludes all hardware, lines, and pads needed for a complete rear brake upgrade\u003c\/li\u003e\n\u003cli\u003eBacked by a 1-year Rotora warranty\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\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eGladiator Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eGladiator Rubicon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eGladiator Mojave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2023\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eGladiator Overland\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\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eRFK.572.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Type\u003c\/td\u003e\n\u003ctd\u003eRF404 forged aluminum, 4-piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Size\u003c\/td\u003e\n\u003ctd\u003e350x29mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Type\u003c\/td\u003e\n\u003ctd\u003e2-piece floating disc, slotted or drilled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Material\u003c\/td\u003e\n\u003ctd\u003eForged aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish Options\u003c\/td\u003e\n\u003ctd\u003eNatural Anodize (Zinc), Red, Orange, Yellow, Green, Light Metallic Blue, Dark Metallic Blue, Silver, Black Hard-Anodize, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear axle set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003e2020-2023 Jeep Gladiator Sport, Rubicon, Mojave, Overland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1-year Rotora warranty\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 RF404 forged aluminum rear calipers\u003c\/li\u003e\n\u003cli\u003e2x 350x29mm 2-piece floating rotors\u003c\/li\u003e\n\u003cli\u003eBraided stainless brake lines\u003c\/li\u003e\n\u003cli\u003eMounting brackets and hardware kit\u003c\/li\u003e\n\u003cli\u003ePerformance brake pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Rotora\u003c\/h4\u003e\n\u003cp\u003eRotora designs and manufactures high-performance big brake kits for street, track, and off-road applications. The RFK.572.04 kit uses a 2-piece floating rotor design engineered to manage thermal expansion and resist warping during sustained heavy use, giving Gladiator owners a rear brake upgrade built to handle demanding conditions.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the RFK.572.04?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RFK.572.04 is a Rotora Street Challenge rear brake system for the 2020-2023 Jeep Gladiator, featuring 4-piston RF404 forged calipers and 350x29mm 2-piece floating rotors. It is a direct bolt-on upgrade over the factory rear brakes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I choose slotted or 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 use, making them a strong choice for towing or off-road driving. Drilled rotors offer sharper initial bite and a more aggressive look but are typically better suited to lighter street use since they can be more prone to stress cracking under extreme heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat color options are available for this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis kit is offered in Natural Anodize (Zinc), Red, Orange, Yellow, Green, Light Metallic Blue, Dark Metallic Blue, Silver, Black Hard-Anodize, and White, so you can match the calipers to your Gladiator's look.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat years and trims does this kit fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Rotora rear brake system is designed specifically for the 2020-2023 Jeep Gladiator Sport, Rubicon, Mojave, and Overland trims.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the Zinc finish cost more than the other colors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Zinc natural anodize finish uses a more involved anodizing process than the standard color finishes, which is why it carries a higher price point than the other nine available colors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this kit compare to the RFK.572.03?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RFK.572.04 uses a larger 350x29mm 2-piece floating rotor for greater heat capacity and warp resistance, while the RFK.572.03 uses a more compact 1-piece 328x28mm rotor. Both use a 4-piston caliper, but the RFK.572.04 is the better fit for sustained hard use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow difficult is installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstalling this rear brake system requires intermediate mechanical skill and standard hand tools. Most experienced installers or shops can complete the rear brake swap in a few hours, though professional installation is recommended if you are not comfortable with brake system work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a break-in procedure for new brakes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. New pads and rotors should be broken in with a series of moderate stops from around 45 mph down to 10 mph, allowing full cooling between stops, and avoiding hard braking or extended highway driving for the first 200 to 300 miles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many pistons does the caliper have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach RF404 rear caliper in this kit uses a 4-piston forged design for strong, even clamping force across the rotor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size are the rotors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe kit uses 350x29mm 2-piece floating rotors, sized to clear the Gladiator's factory wheels while providing extra heat capacity over a standard 1-piece rotor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty comes with this brake system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RFK.572.04 is backed by a 1-year Rotora warranty covering manufacturing defects in the calipers and rotors.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003ePark the Gladiator on a level surface, engage the parking brake release procedure per your service manual, and loosen the rear wheel lug nuts before lifting the vehicle and securing it on jack stands.\u003c\/li\u003e\n\u003cli\u003eRemove the rear wheels and disconnect the factory brake line from the caliper, capping it to prevent fluid loss and contamination.\u003c\/li\u003e\n\u003cli\u003eRemove the factory caliper, bracket, and rotor, then clean the hub and axle mounting surfaces thoroughly.\u003c\/li\u003e\n\u003cli\u003eInstall the new mounting brackets supplied with the kit, torquing all hardware to manufacturer specification.\u003c\/li\u003e\n\u003cli\u003eMount the new 350x29mm rotor onto the hub, followed by the RF404 caliper and pads, and secure with the provided hardware.\u003c\/li\u003e\n\u003cli\u003eConnect the new braided stainless brake lines to the caliper and to the factory hard line, then bleed the brake system to remove all air.\u003c\/li\u003e\n\u003cli\u003eReinstall the wheels, torque the lug nuts to spec, and lower the vehicle.\u003c\/li\u003e\n\u003cli\u003eCheck fluid level, pump the brake pedal to confirm firm engagement, and road test at low speed before returning to normal driving.\u003c\/li\u003e\n\u003cli\u003eFollow the recommended break-in procedure for the first 200 to 300 miles before subjecting the brakes to hard use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWARNING: This product can expose you to chemicals including brake dust, which is known to the State of California to cause cancer. 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