Supertech Valve Guides for 4G63 Evo/DSM CSF 5" from bolt hole to

5" from bolt hole to bolt hole

The GRP aluminum rod features a smaller profile to make it the lightest you will find

Once the preload is determined and locked in

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Supertech Valve Guides for 4G63 Evo/DSM CSF 5" from bolt hole toSupertech 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