Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Polished] heat-treated to the highest Rockwell

heat-treated to the highest Rockwell hardness available

Don't spend hours figuring out which pieces and parts you need to get what you want from your engine

look no further than PCE

This cooler air charge provides additional power and torque

Speedmaster keeps you in the race with competitive pricing and quality parts

Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Polished] heat-treated to the highest RockwellThe Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise. The main difference is that there is an open area under the plenum chamber. This feature is sometimes called an air gap design. The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine. This cooler air charge provides additional power and torque.