The Wilwood Narrow Superlite rear disc kit for Bronco 1976–1977 adapts Big Ford new-style flange and bearing rear axles to a modern disc solution with FNSL4R four-piston calipers and two-piece rotors. Designed to complement front big brake upgrades, each kit includes a concealed internal shoe parking brake for clean installation and dependable static holding, plus finish and rotor options for styling and performance preference.
Wilwood Narrow Superlite 4R Rear P-Brk Kit 12.88in Big Ford New 2.38in Off Bronco 5 x 5.50