Chevy GM LS1 LS2 LS6 4500 HiRise Intake Manifold [Satin] Speedmaster one-way check valves are

Speedmaster one-way check valves are designed to prevent the back flow of any fuel

The 10" diameter construction reduces rotational weight reducing scavenging of horsepower

Comes complete with a 100 micron filter with is removable for cleaning

The GM LS3 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

Available in multiple sizes and styles to suit your needs

Chevy GM LS1 LS2 LS6 4500 HiRise Intake Manifold [Satin] Speedmaster one-way check valves areThese Speedmaster Shootout Series Manifolds are designed to use a dominator style carburetor. It has a carb flange that accommodates a Dominator carburetor. This manifold also has pads on the ports which can be drilled and tapped for nitrous nozzles or it is available from Speedmaster machined for injector nozzles. Use the Speedmaster Complete Fuel Rail Kit with this manifold.