Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished] What's more

What's more

USA Performance servo kits offer increased apply area over the OEM servo for more holding force between shifts

Like all Speedmaster cylinder heads

Speedmaster oil pan stud kits

It is effective at any rpm level or load

Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished] What's moreThis 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.