GSC Power-Division Intake/Exhaust Valve Guide Set (gsc3997-12) 1500 this carbon fiber trunk lid

this carbon fiber trunk lid offers durability

the HPS silicone post MAF air intake tube delivers dyno-proven performance gains +4

Ford 05-06 Mustang V8 HPS High Temp 3-ply Reinforced Silicone Radiator Hose Kit Black is designed to replace stock OEM rubber hoses which can eventually weaken over time

GSC Power-Division billet S3 camshafts for the USDM STi and WRX with Intake only AVCS

GSC Power-Division Intake/Exhaust Valve Guide Set (gsc3997-12) 1500 this carbon fiber trunk lidWhen 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