Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin] Designed for engines producing up

Designed for engines producing up to 500hp

and will provide a leakproof seal

beat-up OEM cast iron yoke

The Speedmaster 9" solid pinion bearing spacer kit is designed to retain the pinion depth settings for greater strength and reliability

These Speedmaster engine lift plates will allow you to lift your engine up by its intake manifold for easier maneuvering

Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin] Designed for engines producing upThis 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.