GSC Power-Division Intake 21-4N Chrome Polished Valve Set, 34mm STD for 4G63T (gsc2002-8) 17375 a 15lb nitrous bottle with

a 15lb nitrous bottle with the new billet aluminum Lightning 45 bottle valve

throaty roar from the 3

project your way

If you're serious about off-roading and have an automatic transmission in your 2007-2010 JK

GSC Power-Division Intake 21-4N Chrome Polished Valve Set, 34mm STD for 4G63T (gsc2002-8) 17375 a 15lb nitrous bottle withWhen 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