The Wilwood Narrow Superlite 4R rear disc kit for Big Ford new-style rear axle applications offers a compact forged solution with an integrated parking brake. FNSL4R four‑piston calipers and two‑piece 13" or 14" rotors paired with BP‑10 compound pads deliver balanced braking that complements front upgrades. The concealed internal shoe produces superior static holding power for parking, and optional finishes let builders tailor the look.
Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Drilled Red Big Ford New Style 2.36in Offset