GSC Dual Conical Valve Spring and Ti Retainer Set EJ No.2 Gasket WRX 4DR MY11-14

WRX 4DR MY11-14

And lastly oil deteriorates the rubber hoses in the system contributing to vacuum and oil leaks

These short blocks feature 14mm head stud machining and are optionally machined to accept Fire Lock head gaskets for serious combustion pressure sealing capabilities

this type of LSD requires frequent oil changes and eventual rebuilding to restore performance when clutch plate wear reaches an undesirable level

STI EJ207 MY11-21

GSC Dual Conical Valve Spring and Ti Retainer Set EJ No.2 Gasket WRX 4DR MY11-14KEEP YOUR VALVES UNDER CONTROL GSC's dual conical valve springs. Using a varying coil diameter as well as coil spacing offers a superior damping of valve spring harmonics even compared to beehive springs. Dampening the transfer of valvetrain shock reduces stress and increases the life of components. Dual springs provide increased valve opening range before coil bind, increased heat dissipation, and extended life vs. an equivalent single spring.