Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Black] Speedmaster manufactures a number of

Speedmaster manufactures a number of regulators for most any need

Bolt on application for an easy upgrade and includes hardware

All Speedmaster 23deg

Speedmaster nuts are made from aerospace-quality chromoly steel with 6-point style heads

Speedmaster 8000 Series billet distributors are designed for the enthusiast that is serious about performance but needs the small cap size due to space considerations when installed

Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Black] Speedmaster manufactures a number ofThis manifold is a single plane manifold that will fit under all Pontiac hoods including the Trans Am "Shaker" hood. It accepts a stock Quadrajet carb but we also include an adapter plate for standard square bore carbs. This manifold is designed to work with cylinder heads up to 300 CFM. It is also available machined for injectors.