Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Black] The Speedmaster shift selector shaft

The Speedmaster shift selector shaft is built with sturdy

Keep dirt and foreign objects out of your carburetor during storage

They take the place of your head bolt washers and are hardened and chamfered

Engineered for performance and built to last

let Speedmaster hook you up

Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Black] The Speedmaster shift selector shaftThis 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.