{"product_id":"jeep-wrangler-jk-2007-2018-street-challenge-rear-rfk392-02","title":"Jeep Wrangler 2007-2018 Street Challenge Rear Brake System","description":"\u003ch4\u003eA Real Rear Brake Upgrade for the JK Wrangler That Works Hard\u003c\/h4\u003e\n\u003cp\u003eThe RFK.392.02 Rotora Street Challenge Rear Brake System gives the 2007-2018 Jeep Wrangler JK a proper rear brake upgrade with a 4-piston RF419 forged caliper and 328x28mm disc. Whether you use the JK on the trail, the street, or both, this rear brake system delivers improved clamping force and pedal feel over the factory setup.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4-piston RF419 forged aluminum caliper for improved rear clamping force\u003c\/li\u003e\n\u003cli\u003e328x28mm rotor for consistent rear brake performance\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment for the rear axle, no permanent modification required\u003c\/li\u003e\n\u003cli\u003eAvailable in 10 caliper finishes including Zinc\u003c\/li\u003e\n\u003cli\u003eSlotted or Drilled rotor face options to match braking preference\u003c\/li\u003e\n\u003cli\u003eStainless steel braided brake lines included for firmer pedal feel\u003c\/li\u003e\n\u003cli\u003ePerformance brake pads matched to the RF419 caliper included\u003c\/li\u003e\n\u003cli\u003eBuilt to handle trail and street use without sacrificing durability\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\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2018\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JK\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2018\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JK\u003c\/td\u003e\n\u003ctd\u003eRubicon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007-2018\u003c\/td\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JK\u003c\/td\u003e\n\u003ctd\u003eSahara\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\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eRFK.392.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Type\u003c\/td\u003e\n\u003ctd\u003e4-piston RF419 forged aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Size\u003c\/td\u003e\n\u003ctd\u003e328x28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Type\u003c\/td\u003e\n\u003ctd\u003e1-piece disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish Options\u003c\/td\u003e\n\u003ctd\u003e10 caliper colors, Slotted or Drilled rotor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003e2007-2018 Jeep Wrangler JK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2x RF419 4-piston forged aluminum calipers\u003c\/li\u003e\n\u003cli\u003e2x 328x28mm rotors\u003c\/li\u003e\n\u003cli\u003eStainless steel braided brake lines\u003c\/li\u003e\n\u003cli\u003eMounting brackets and hardware\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 big brake kits for street and off-road enthusiasts, engineering forged aluminum calipers and precision rotors that deliver consistent stopping power under demanding conditions.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/jeep-wrangler-jk-2007-2018-street-challenge-front-rfk391-02\" target=\"_blank\" rel=\"noopener\"\u003eJeep Wrangler JK 2007-2018 Street Challenge Front Brake System (RFK.391.02)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is RFK.392.02?\u003c\/strong\u003e\n\u003cp\u003eRFK.392.02 is a Rotora Street Challenge rear brake system for the 2007-2018 Jeep Wrangler JK, featuring a 4-piston RF419 forged aluminum caliper and a 328x28mm disc.\u003c\/p\u003e\n\u003cstrong\u003eDoes this kit fit all Jeep Wrangler JK trims from 2007 to 2018?\u003c\/strong\u003e\n\u003cp\u003eYes, this kit is designed to fit the rear axle of Jeep Wrangler JK models across the 2007-2018 model years, including Sport, Rubicon, and Sahara trims.\u003c\/p\u003e\n\u003cstrong\u003eWhat caliper colors are available?\u003c\/strong\u003e\n\u003cp\u003eRFK.392.02 is available in 10 caliper finishes, including Red, Dark Metallic Blue, Silver, Gloss Black, Green, Orange, Light Metallic Blue, White, Black Hard-Anodize Finish, Yellow, and Zinc.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the difference between Slotted and Drilled rotors?\u003c\/strong\u003e\n\u003cp\u003eSlotted rotors clear gas and debris from the pad surface, while Drilled rotors add additional cooling channels through the rotor face. Both are available for this kit.\u003c\/p\u003e\n\u003cstrong\u003eDoes this kit include brake pads?\u003c\/strong\u003e\n\u003cp\u003eYes, performance brake pads matched to the RF419 caliper are included with this kit.\u003c\/p\u003e\n\u003cstrong\u003eIs this a front or rear brake system?\u003c\/strong\u003e\n\u003cp\u003eRFK.392.02 is a rear brake system. A matching front system is available separately for the 2007-2018 Jeep Wrangler JK.\u003c\/p\u003e\n\u003cstrong\u003eWill I need to modify my JK Wrangler to install this kit?\u003c\/strong\u003e\n\u003cp\u003eNo, this kit is designed for direct bolt-on installation on the rear axle without permanent modification.\u003c\/p\u003e\n\u003cstrong\u003eIs this kit suitable for trail and off-road use?\u003c\/strong\u003e\n\u003cp\u003eYes, the RFK.392.02 rear brake system is built to handle both street and trail conditions on the JK Wrangler.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eLift the vehicle and secure it on jack stands, then remove the rear wheels.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear calipers and disconnect the brake lines.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear rotors and brake hardware.\u003c\/li\u003e\n\u003cli\u003eInstall the new 328x28mm rotors onto the rear hubs.\u003c\/li\u003e\n\u003cli\u003eMount the RF419 4-piston calipers using the supplied brackets and hardware.\u003c\/li\u003e\n\u003cli\u003eInstall the included performance brake pads into the calipers.\u003c\/li\u003e\n\u003cli\u003eConnect the new stainless steel braided brake lines and torque all fittings.\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly and check for leaks.\u003c\/li\u003e\n\u003cli\u003eReinstall the wheels, torque to spec, and bed in the new brakes before hard driving.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eWARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. 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