GSC 4G63 Conical High Pressure Spring Kit (5079)

The GSC Power-Division high-pressure conical valve spring kit for Evo and DSM includes 16 titanium retainers and 16 conical valve springs. Designed to work with the OEM spring seat or . Able to use NEW OEM valve spring keepers or the keeper kit. No need for special aftermarket locks that have the potential of being the wrong angle. 

Vehicle Fitment:
Mitsubishi 4G63
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR4

IN: 114 lbs @ 1.570' / EX: 120 lbs @ 1.550' install height
IN: 256 lbs @ 12.1mm lift / EX: 260lbs @ 12.0mm lift

Includes:
(16) Conical Valve Springs
(16) Titanium Retainers

More Info:
Conical springs allow for the use of a smaller, lighter retainer and have a varying spring rate allowing for higher RPM and more valve control.