Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Polished] The runner length and the

The runner length and the tapered cross-section were designed to perform well for a wide range of engine configurations

Ideal for vehicles with a long water pump and Type 2 power steering pump

The Speedmaster Serpentine Pulley Kit is engineered to offer a balance of performance and value for high-performance street cars and race car applications

It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs

Theses brackets will keep your calipers in place so that they can perform to their full potential

Chevy GM LS3 Dual Plane 4150 MID-AIR™ MidRise Aluminum Intake Manifold [Polished] The runner length and theThe 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.