Ford 429 460 MID-AIR™ MidRise Aluminum Intake Manifold [Black] Featuring a low profile design

Featuring a low profile design and a high flow runner design these manifolds will improve performance from 1500-6500 RPM range

Speedmaster braided hoses feature a heavy-duty

This feature is sometimes called an air gap design

This process ensures a more uniform and robust casting

Ford 429 460 MID-AIR™ MidRise Aluminum Intake Manifold [Black] Featuring a low profile designThe 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.