{"product_id":"jeep-wrangler-jk-2007-2018-street-challenge-front-rfk391-04","title":"Jeep Wrangler 2007-2018 Street Challenge Front Brake System","description":"\u003ch4\u003eThe Largest Front Rotor Option for the Most Capable JK Wrangler Builds\u003c\/h4\u003e\n\u003cp\u003eFor JK Wrangler owners who want maximum front brake performance, the RFK.391.04 Rotora Street Challenge Front Brake System steps up to a 355x32mm 2-piece floating rotor paired with a 6-piston RF606 forged caliper. More swept area means more heat capacity and better fade resistance during demanding drives on and off the pavement.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e6-piston RF606 forged aluminum caliper for consistent, high clamping force\u003c\/li\u003e\n\u003cli\u003e355x32mm 2-piece floating rotor for maximum swept area and heat capacity\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment for the front 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 RF606 caliper included\u003c\/li\u003e\n\u003cli\u003eEngineered for fade resistance during sustained hard use\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.391.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaliper Type\u003c\/td\u003e\n\u003ctd\u003e6-piston RF606 forged aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Size\u003c\/td\u003e\n\u003ctd\u003e355x32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Type\u003c\/td\u003e\n\u003ctd\u003e2-piece floating disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront\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 RF606 6-piston forged aluminum calipers\u003c\/li\u003e\n\u003cli\u003e2x 355x32mm 2-piece floating 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-rear-rfk392-03\" target=\"_blank\" rel=\"noopener\"\u003eJeep Wrangler JK 2007-2018 Street Challenge Rear Brake System (RFK.392.03)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is RFK.391.04?\u003c\/strong\u003e\n\u003cp\u003eRFK.391.04 is a Rotora Street Challenge front brake system for the 2007-2018 Jeep Wrangler JK, featuring a 6-piston RF606 forged aluminum caliper and a 355x32mm 2-piece floating rotor.\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 front 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.391.04 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 RF606 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.391.04 is a front brake system. A matching rear 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 front axle without permanent modification.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the rotor construction on this kit?\u003c\/strong\u003e\n\u003cp\u003eRFK.391.04 uses a 355x32mm 2-piece floating rotor, the largest front rotor size in the Street Challenge JK Wrangler lineup.\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 front wheels.\u003c\/li\u003e\n\u003cli\u003eRemove the factory front calipers and disconnect the brake lines.\u003c\/li\u003e\n\u003cli\u003eRemove the factory front rotors and brake hardware.\u003c\/li\u003e\n\u003cli\u003eInstall the new 355x32mm 2-piece floating rotors onto the front hubs.\u003c\/li\u003e\n\u003cli\u003eMount the RF606 6-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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