GSC Power-Division 21-4N Intake Valve Set of 8-35mm STD (gsc2122-8) 1540 Compression (Factory Head Gasket) Compression

Compression (Factory Head Gasket)   Compression (A'PEXi Head Gasket) 814-N403 :

Infiniti's flagship sedan has lacked aftermarket performance options for far too long

0 1999 Lamborghini Diablo Submodel: VT

This kit contains the following parts: 1ea p/n 18689 Phantom 340

30-120 PSI

GSC Power-Division 21-4N Intake Valve Set of 8-35mm STD (gsc2122-8) 1540 Compression (Factory Head Gasket) CompressionWhen 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