Master Cylinder mounting bolt centers are 3-3/8" apart.
1963 64 65 66 1967 Chevy Corvette 9" Single Diaphragm Power Brake Booster Sale
1964-66 Chevelle 9" Single Diaphragm Power Brake Booster Black B10605BK
63 64 65 66 67 Chevy Corvette 9" Single Diaphragm Power Brake Booster + Bracket
9" Single Diaphragm Zinc Brake Booster 1964 65 1966 67 Chevelle El Camino Malibu
For Chevelle El Camino Cutlass 1964-1972 9" Single Diaphragm Brake Booster Zinc
For Ford Chevy Universal 8" Single Diaphragm Power Brake Booster 4 Bolt Zinc