GM Correct New 1984-1987 factory correct brake booster. These have the correct rivets, mounting studs, yellow vacuum fitting with proper markings, actuating pin, zinc plating, white plastic dust cover, brake pedal clevis with clevis pin...
GM Correct New 1974(Late)-76 Power, No Stamp, Casting 5455509 1 1/8� Bore Master Cylinder, No Bleeders, Deep Hole Piston, and The Correct Cap with J1703 Number on it.
GM Correct New 1973-74(Early) Power, No Stamp, Casting #5460346, 1 1/8� Bore Master Cylinder with Bleeders, and a Deep Hole Piston. Correct Cap with "J-1703".