GSC

GSC Power-Division billet S2 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suit the higher horsepower Subis. With ...

GSC Power-Division Beehive Spring set with Titanium Retainer for the Subaru Turbo EJ Platforms 81lbs @ 1.363" install height  230 lbs @ 0.910" ...

When creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D ...

SC P-D 4B11T Chrome Polished Super Alloy Exhaust Valve - 30mm Head (+1mm) - SET 8

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

C valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat r...