GSC Power-Division 21-4N Single Intake Valve-34.6mm (+1mm) (gsc2074-01) FITMENT_INFINITI TL1-HDSS kit features ACT's most

TL1-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

4x 1/8-inch NPT and 3x 1/4-inch NPT Accessory Ports

5 Turbo 2009 Volvo V50 Submodel: T5

Fixed dampening for Skunk2 lowering springs

Skunk2's Alpha Valve Springs for Honda/Acura K-series VTEC engines are a product of the company's years of racing and engine building experiences

GSC Power-Division 21-4N Single Intake Valve-34.6mm (+1mm) (gsc2074-01) FITMENT_INFINITI TL1-HDSS kit features ACT's mostWhen 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