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

What's more

They're precision-machined from T6-106 billet aluminum

but keep dirt and large debris out of your filter

Tach Adapter are designed to correct the operation of most voltage triggered tachometers that do not work directly off the tach read output on aftermarket ignition boxes

They extend the life of your air filter element

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.