Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished] but keep dirt and large

but keep dirt and large debris out of your filter

It is effective at any rpm level or load

What's more

These pumps are manufactured from 6061 aircraft-grade aluminum and then black anodized for maximum protection

Like all Speedmaster cylinder heads

Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished] but keep dirt and largeThis 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.