Ferrea Dual Valve Spring 2003-2007 Mitsubishi EVO 8 / 9 (QTY 16) Vehicle Model_G37 Coupe Popular for historic and vintage

Popular for historic and vintage transmissions

Braided brake line construction eliminates brake line swell and loss of pressure

Dyno testing

The Clutch Masters FX300 kit offers 110% increase over Subaru's OEM clutch holding capacity and has firm

Ferrea Dual Valve Spring 2003-2007 Mitsubishi EVO 8 / 9 (QTY 16) Vehicle Model_G37 Coupe Popular for historic and vintagePart #: S10084 Harmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled. Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear. Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicon steel. Our springs are heat treated and stress relieved, which