Pontiac 326 350 389 400 421 428 455 HiRise Intake Manifold Machine Polished
This 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.
