GSC P-D Subaru EZ30 PHZ2 1.75in Len .34in Protrusion +.001 OS Exh Valve Guide Stopper Style - Single (GSC3127.001-1)

GSC Power-Division is a leading manufacturer of high-performance valvetrain components for turbocharged and high-performance engines. Specializing in camshafts, valve springs, and retainers, GSC products are engineered to improve power, reliability, and efficiency. Trusted by enthusiasts and professionals worldwide, GSC Power-Division delivers cutting-edge solutions for both street and motorsport applications.