The Alcon rear upgrade for 2007+ Jeep JK with 5x5.5in hubs pairs 4‑piston red calipers with 355x22mm rotors and is specified for Currie 60/70 axle setups. Offered as a rear axle replacement kit for those JK variants, the components are intended to deliver lower disc temperatures, reduced pad work and eased pedal effort compared with factory rear braking systems.
Alcon 2007+ Jeep JK w/ 5x5.5in Hub 355x22mm Rotor 4-Piston Calipers Rear Brake Upgrade Kit - Red