Designed for 4G63 Evo/DSM/VR-4 models, this kit includes 16 single valve springs and 16 titanium retainers. Supertech Single Valve springs use premium Superclean Chrome Silicon Vanadium Steel for improved performance and durability at high rpms, while the retainers are made from high quality military certified Titanium alloy for a secure fit and extended longevity. We recommend researching and consulting with a professional engine builder before use.
Supertech valve springs are made with premium steel alloy for high performance & durability. Our computer-designed springs have controlled harmonics and ensure optimal stress levels for enhanced durability in extreme conditions. Our retainers are made with top-quality titanium alloy for a secure fit.
Specifications:
Seat Pressure: 76 @ 39.6
Open Pressure: 200 @ 11.5
Max Lift: 14.90mm
Coil Bind: 24.70mm
Inner Spring ID: Single
Rate: 10.5
Kit Spring: SPR-M1007S
Kit Spring qty: 16
Retainer: RET-M65/T1
Inner Spring OD: Single
Outer Spring OD: 28.10mm
Outer Spring ID: 20.00mm
Retainer qty: 16
Vehicle Fitment:
Lancer Evolution I-IX 1992-2006
Eclipse GSX/GST 1990-1999
Galant VR-4 1989-1993
Talon TSI 1990-1998
Laser RS 1990-1994
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Caution: May contain chemicals linked to cancer and reproductive harm (CA Prop 65). Visit Prop 65 Warnings & OEHHA websites for more info.
Caution: May contain chemicals linked to cancer and reproductive harm (CA Prop 65). Visit Prop 65 Warnings & OEHHA websites for more info.
