GSC P-D Polished Intake Valve - 30mm Head (+1mm) - (SET 8) 2013 Scion FR-S / Subaru BRZ vendor_Omni Power GrimmSpeed uses high grade components

GrimmSpeed uses high grade components in their product fabrication

The Q300 for the 11-14 Hatch is sweet

Carbon fiber muffler

Satin black and White delrin knob stays comfortable in the heat and cold

ambient air

GSC P-D Polished Intake Valve - 30mm Head (+1mm) - (SET 8) 2013 Scion FR-S / Subaru BRZ vendor_Omni Power GrimmSpeed uses high grade componentsPart #: 2124 8 When 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 programs 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