Mopar Chrysler Dodge SB 318 340 360 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] If you're completing the installation

If you're completing the installation of a Speedmaster electric water pump

Speedmaster LS dual 4-barrel

Speedmaster Twin-Carb combine two four-barrel carburetors to achieve the best balance of drivability

As the horsepower in your performance vehicle goes up so does the strength of the read end housing

highly specialized silicone magnetic steel cores

Mopar Chrysler Dodge SB 318 340 360 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] If you're completing the installationThe 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.