GSC Power-Division 21-4N Intake Valve Set of 12-33.6mm (STD) (gsc2072-8) 3103 3-Row Core is 12% Larger

3-Row Core is 12% Larger Than the Factory Radiator

Smooth Transition Bends Allow For Low Turbulence

This is a list of known OEM part numbers

there were some modifications necessary and not a true "drop-in fit"

transferring the stock heat shield is recommended

GSC Power-Division 21-4N Intake Valve Set of 12-33.6mm (STD) (gsc2072-8) 3103 3-Row Core is 12% LargerWhen 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