The booster mounts with a 4-bolt pattern. The 4 bolts are in a perfect square and are 3 3/8" apart (center to center). This Kit is designed to work with your 1955 1956 1957 Chevy Tri-Five Car including the Bel Air, 150 and 210.
1967-72 Chevy Truck 8" Dual Chrome Power Brake Booster & Wilwood Master Cylinder
1960-66 Chevy Truck C10 8" Dual Chrome Power Brake Booster Cylinder Disc/Drum
1960-66 Chevy Truck C10 8" Dual Chrome Power Brake Booster Cylinder Disc/Disc
GM Full Size Car 8" Dual Zinc Brake Booster Master Drum Drum Kit 1-1/8" Bore
for 1957-1972 Ford Truck 8" Dual Power Brake Booster 1" Master Cylinder & Prop
1966-1977 Ford Bronco 8" Dual Power Brake Booster Conversion Kit Firewall Mount
