Forged Narrow Superlite 4R Big Brake Rear Brake Kit For OE Parking Brake Forged Narrow Superlite 4R four piston calipers are combined with BP-10 compound pads and 12.88" rotors in this group of big brake kits for custom high performance street and show machines. This group of specialized kits for cars, trucks, and SUV’s retain full use of the OE parking brake, master cylinder output, and ABS where used. FNSL4R rear kits provide complimentary style and performance with 13” and larger front brake upgrades in conjunction with wheel, tire, and suspension upgrades. Optional caliper finishes and rotor designs enable the builder to match style and performance on all applications. This Brake Kit may fit 17-inch wheels. Please refer to the wheel clearance diagram to check to see if it will fit your specific wheel.