Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Black] that have a 4bolt pattern

that have a 4bolt pattern

Available in different bore diameters to suit your specific engine's needs

The sump tank is generally mounted in the engine compartment

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

They feature a sleek chrome finish with an aluminum housing and have a 100 amp capacity

Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Black] that have a 4bolt patternThe 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.