Ford 429 460 MID-AIR™ MidRise Aluminum Intake Manifold [Black] This process ensures a more

This process ensures a more uniform and robust casting

They're available in several sizes to fit your valve covers

straight ball-milled

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

Ford 429 460 MID-AIR™ MidRise Aluminum Intake Manifold [Black] This process ensures a moreThe 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.