Allstar Performance 10 Bolt GM 78-88 Metric Style Rear Disc Brake Kit 3550224-104 Willys / KB

Willys / KB

1975-1980 Oldsmobile Starfire

1960-1963 Plymouth Fleet Special

1986-1991 Mercury Grand Marquis

Allstar Performance 10 Bolt GM 78-88 Metric Style Rear Disc Brake Kit 3550224-104 Willys / KBUpdate and greatly improve braking power by converting standard drum brake rear ends to disc brakes. Universal rotor hat fits 5 on 4 1 2", 5 on 4 3 4" and 5 on 5" bolt patterns. Caliper mounting brackets weld onto 3" axle tubes. Rotor hats will not work with some aftermarket axles. Axles with flanges larger than 5 3 4" must use cast aluminum rotor hats, ALL42128 or ALL42129. Kit includes rotors (. 810" x 11. 75"), universal rotor hats, rotor bolt