This is a new Black 8" Dual Diaphragm Power Brake Booster and Master Cylinder with Mounting Bracket, Extension Rod and Eyelet for 1982-83 Chevy Malibu G Body cars.
Booster is a reproduction of the original found on 1968 1969 1970 1971 1972 1973 1974 1975 and 1976 Corvettes.
The Corvette style Cast Iron 1" Bore Bail Top Master Cylinder has 9/16" & 1/2" Ports on Both Sides.