GSC P-D 06-07 Subaru WRX 2.5L/ 04-07 Subaru STi S1 Cam - Left Intake Only (GSC7025S1LIN)

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.