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The Wilwood Narrow Superlite 4R rear disc kit for Big Ford new-style rear axle applications is a forged big‑brake retrofit supplying rear braking and an integrated parking brake. FNSL4R four‑piston calipers work with two‑piece 13" or 14" rotors and BP‑10 pads for optimized, balanced stopping to match front upgrades. A concealed internal shoe provides dependable static parking hold and a clean installation; finishes are optional.
Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Drilled Big Ford New Style 2.50in Offset
