Supertech Valve Guides for 4G63 Evo/DSM Select::Intake Oversized (Set of 8) (GDE-MI66-I-8) Now laser etched with the

Now laser etched with the STM logo and we also use a black urethane bushing with a stiffer durometer

High-flow fan

5" (114mm) Top OD: 3

clearing room for larger manifolds

We updated the photos in the product gallery to the new labels in Aug 2025

Supertech Valve Guides for 4G63 Evo/DSM Select::Intake Oversized (Set of 8) (GDE-MI66-I-8) Now laser etched with theSupertech maganese bronze valve guides for 4G63 Evo, DSM and GVR4. These guides are different for intake and exhaust valves. Available standard or oversized. Sold as a set of 8 guides or individually as needed. Please do all your research and consult your engine builder if necessary! Vehicle Fitment: 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS 1991 1992 Galant VR 4 Intake Exhaust: OD Size: Includes: Part