GSC Power-Division 21-4N Single Intake Valve-35mm STD (gsc2122-01) 15550 55 PSE vs 2

55 PSE vs 2

Mounting brackets are laser cut and then black zinc plated to ensure corrosion resistance

Borla Universal Hot Rod Kit

Reliable and Dependable Chambered Design

Aerodynamically designed for optimal airflow management

GSC Power-Division 21-4N Single Intake Valve-35mm STD (gsc2122-01) 15550 55 PSE vs 2When 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