Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished] thick laser-cut flanges and mandrel-bent

thick laser-cut flanges and mandrel-bent primary tube

or higher RPM engine

The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine

They're available in a variety of styles to suit your needs

Deluxe Interior

Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished] thick laser-cut flanges and mandrel-bentThis 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.