GSC Power-Division 23-8N Single Exhaust Valve-30mm (+1mm) (gsc2063-01) 1756 you can easily modify the

you can easily modify the sound and tone of your exhaust system

These replacement exhaust manifold gaskets are precision-engineered with the finest quality materials for superior durability

Dual-Pass Core Configuration with 2-Stage Water Cooling for Maximum Efficiency and Intake Temperature Reduction

The overall profile matches the spirt of the factory cover giving your engine bay an OEM+ look that doesn't appear gaudy or out of place

GSC Power-Division 23-8N Single Exhaust Valve-30mm (+1mm) (gsc2063-01) 1756 you can easily modify theWhen creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. With the materials used, we have less valve distortion at the