Ferrea Dual Valve Spring Mitsubishi EVO X (QTY 16) Impreza_2012-2016 Part #: 80204

Part #: 80204

Available sensors include boost/backpressure sensors

Oil temperature range: 120–280°F (49–138°C)

Shell Spirax S5 ATE 75W-90

Infiniti G37X Coilover Specs:

Ferrea Dual Valve Spring Mitsubishi EVO X (QTY 16) Impreza_2012-2016 Part #: 80204Part #: S10118 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