Reproduction of the original carburetor rear fitting designed specifically for use with 1968-74 Pontiac Firebird and Trans Am models with 326 350 400 and 455 motors with or without Ram Air. This fitting screws to the back of the carburetor and the power brakes hose attaches to the large port. The other vacuum ports can be used for other accessories such as distributor vacuum advance or hideaway headlamp actuators. Features part number # 79442304 stamped on part.
