GSC 4G63 Exhaust Valve Guides Shorty with Stopper (3005) fuelab the vacuum/boost reference line does

the vacuum/boost reference line does not need to be installed since maximum fuel pressure does not exceed 120psi

D-mode is optimized for everyday daily driving and economy

Designed and tested in North America to be used in conjunction with OEM or similar shocks for excellent ride comfort and slightly increased handling

Girodisc "Magic Pads" are the solution to your squeaky

replacing the nuts

GSC 4G63 Exhaust Valve Guides Shorty with Stopper (3005) fuelab the vacuum/boost reference line doesThe GSC Power Division stopper style shorty exhaust valve guides for 4G63 Evo and DSM. Standard sized guides are sold as set of 8 or individually. Oversized +0. 001" and +0. 003" options are sold individually. Please double check your purchase and quantities. 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 Specs: Total Length: 1. 800" 45. 72mm Outer