Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit, Rear End: Big Ford New Style, 4 Piston Caliper (Anodized Black), 2.5" Offset, 12.88" Drilled/Slotted Vented Rotor, 17" Min. Wheel Dia.|Wilwood Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kit.