GSC 4G63 Evo DSM Exhaust Valves Select::Super Alloy STD 30.5mm Single Valve (GSC2005-01) The car pictured has A/C

The car pictured has A/C

now made in-house at STM from billet aluminum

DISCONTINUED

For everyday drivability and occasional track use

GSC Power-Division exhaust valves for the 4G63 Evo and DSM

GSC 4G63 Evo DSM Exhaust Valves Select::Super Alloy STD 30.5mm Single Valve (GSC2005-01) The car pictured has A/CGSC Power Division exhaust valves for the 4G63 Evo and DSM. Exhaust valves are sold as a set of 8 or individually as needed. Choose the standard modified 23 8N stainless material or 2000F Super Alloy. Available in the standard 34mm size or +1mm oversized. Valve stem diameter is 6. 6mm, overall length is 109. 20mm. 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