Kiggly Valve Spring Kit Steel Street for 4G63 (SS-ST) Mitsubishi Supertech black nitride intake and

Supertech black nitride intake and exhaust valves for 4G63 Evo

(2) Stainless Bolts

65 pounds STM-BATK-EVOX-PC925 STM Battery Kit with Odyssey PC925 and Terminals 24

making room for larger exhaust manifolds

Kiggly Valve Spring Kit Steel Street for 4G63 (SS-ST) Mitsubishi Supertech black nitride intake andThe Kiggly Racing Steel Street springs are a cost effect, drop in replacement for 4G63 applications looking to spin up to 10,000rpm and run up to 40psi boost. Includes 16 springs and 16 retainers. For use with OEM spring seats (not included). Includes: (16) Chromoly Steel Retainers (16) Steel Street Springs 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