GSC Power-Division 21-4N Single Intake Valve-34mm STD (gsc2282-01) 1765 Each spring is custom wound

Each spring is custom wound from high-tensile steel

2013-2014 VW Beetle L4-2

Boredom be gone - the race inspired design of the diffuser features aggressive strakes to evoke that 'JGTC' racer aesthetic

Make no mistake

GSC Power-Division 21-4N Single Intake Valve-34mm STD (gsc2282-01) 1765 Each spring is custom woundWhen 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