Pontiac 326 350 389 400 428 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] These camshafts are precision-ground from

These camshafts are precision-ground from race-quality cores

They are manufactured from steel and are chrome plated for protection against corrosion

They're available in both dual quad and single quad styles

The anchor area on these bands is extra thick

Benefit from an easy installation and gain in horsepower

Pontiac 326 350 389 400 428 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] These camshafts are precision-ground fromThis is an outstanding manifold for high performance street Pontiac engines. Unlike similar competitive manifolds, the MidRise Air from Speedmaster allows unlimited ambient air flow under the plenum and around the runners which helps create a cooler incoming air fuel charge which produces additional power..