The Wilwood Narrow Superlite 4R rear disc kit for Chevy 12‑bolt applications with a 3.15" bearing spec is a forged narrow big‑brake package that adds rear stopping power and an integrated parking brake. FNSL4R four‑piston calipers and two‑piece 13" or 14" rotors with BP‑10 compound pads deliver balanced braking to match front upgrades. A hidden internal shoe offers dependable static parking hold and the kit supports finish customization.
Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Red Chevy 12 Bolt-Spec 3.15in Bearing