Supertech Valve Guide EVO/DSM/VR-4 4G63

These Supertech valve guides are designed specifically for 4G63 Evo, DSM, and Galant VR-4 engines. They are made of high-quality maganese bronze and come in sets of 8 or can be purchased individually as needed. Available in both standard and oversized sizes, these guides are recommended to be used after thorough research and consultation with an experienced engine builder.

Specification:

GDE-MI66-STI-8 / GDE-MI66-STI-1

• Outer Diameter: 12.08mm
• Length: 45.5mm

GDE-MI66-STE-8 / GDE-MI66-STE-8

• Outer Diameter: 12.08mm
• Length: 50.5mm

GDE-MI66-I-8 / GDE-MI66-I-1

• Outer Diameter: 12.10mm
• Length: 45.4mm

GDE-MI66-E-8 / GDE-MI66-E-1

• Outer Diameter: 12.10mm
• Length: 50.5mm

Expert Tip: Choose the correct guide size based on the outer diameter (OD) of the valve stem, not the inner diameter (ID). If your valve guides have been frequently removed, their holes may have become oversized due to material loss in the head.

Vehicle Fitment:

Lancer Evolution I-IX 1992-2006

Eclipse GSX/GST 1990-1999

Galant VR-4 1989-1993

Talon TSI 1990-1998

Laser RS 1990-1994