Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Black] Note: The 52000/52001 manifold is

Note: The 52000/52001 manifold is a stock replacement/street legal part for 302

Our dual plane big block manifold is now available with rectangular ports

*Will not work on engines w/reverse flow heads as utilized on 1992-96 LT-1 Corvette

one 2mm spacer

On the outside we've added a heavy-duty

Chevy SBC 350 1957-95 MID-AIR™ MidRise Aluminum Intake Manifold [Black] Note: The 52000/52001 manifold isThe 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.