GSC Power-Division 23-8N Exhaust Valve Set of 8-29mm STD (gsc2281-8) FITMENT_G37 Rotrex C38-91 Supercharger w/ 85mm

Rotrex C38-91 Supercharger w/ 85mm Pulley (7psi)

Measured Flow: 765 CFM @ 7" H2O

Add a sporty factory appearance with the STILLEN Rear Spoiler for Infiniti Q60

Uses High Quality Band Clamps And OE Style Bayonet Hangers

4L Cobra Jet Supercharged 4-V engine and/or equivalent intake

GSC Power-Division 23-8N Exhaust Valve Set of 8-29mm STD (gsc2281-8) FITMENT_G37 Rotrex C38-91 Supercharger w/ 85mmWhen 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