Ferrea Valve Stem Seal Kit for 4G63 (VS1010 VS1011) SPC Performance DEI Form-A-Shield solves the problem

DEI Form-A-Shield solves the problem of needing a direct contact

The STM Evo 7/8/9 aluminum lower intercooler pipe is designed specifically for the STM T3 Forward Facing Manifold and fits with the STM intercooler

Engineered to match the GTR Kelford Cams for the ultimate in quality

With a patented air core meter movement

Compatible with most two wire sine wave and three wire hall effect vehicle speed sensors

Ferrea Valve Stem Seal Kit for 4G63 (VS1010 VS1011) SPC Performance DEI Form-A-Shield solves the problemFerrea Viton Valve Stem Seals for the 4G63 Mitsubishi 1G 2G DSM, GVR4 and Evo models. These Ferrea seals have a high temperature of 475F. STM packs these conveniently as a full kit including 8 intake and 8 exhaust valve stem seals. They are very similar in size. If you get them mixed up, the exhaust seals have a small "70" on them and the intake seals have a "41". Vehicle Fitment: 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi