Supertech Single Valve Spring and Titanium Retainer Kit for 2003-2007 Mitsubishi Lancer Evolution VIII & IX 4G63 16v 2.0L Turbocharged Engines
Set of 16 Single Valve Springs & 16 Titanium Retainers
SPRK-M1007S
Type: Single Spring
Outer Spring: OD 28.10mm - ID 20.00mm
Inner Spring: None
Press.Seat: 76lbs @ 39.60mm
Max Lift: 14.90mm
Coil Bind: 24.70mm
Rate: 10.50mm
Retainer: RET-M65/T1
Spring: SPR-M1007S
Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. All Supertech valve springs are made with premium super clean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of our springs, giving your performance racing engine a serious competitive advantage.
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry.