Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Polished] Speedmaster H-beam connecting rods are

Speedmaster H-beam connecting rods are perfect for supercharged and nitrous applications

These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body

Speedmaster radiator overflow tanks are both functional and stunning to look at

Injectors come complete and ready for installation with precision molded o-rings and fine-mesh fuel strainers

and durable

Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Polished] Speedmaster H-beam connecting rods areThe 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.