Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] It is similar to our

It is similar to our LowRise

Ford rear-end housings

The precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold

On the outside we've added a heavy-duty

Intake manifold (Dual Plane)

Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] It is similar to ourThe 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.