Product Line: HiRise. This manifold is a single plane manifold that will fit under all Pontiac hoods including the Trans-Am "Shaker" hood. This manifold is designed to work with cylinder heads up to 300 CFM.
Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Polished]
Pontiac 326 350 389 400 428 455 MID-AIR™ MidRise Aluminum Intake Manifold [Polis
Pontiac 326 350 389 400 421 428 455 HiRise Aluminum Intake Manifold [Satin]
Pontiac 326 350 389 400 428 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin