GSC Intake Valve Guide – +0.003" Oversize Single for Mitsubishi 4G63T – GSC3002.003-1
Designed for Mitsubishi 4G63T engines, GSC Power-Division’s smooth-style intake valve guide offers precision fitment and long-term reliability. This +0.003" oversized guide is ideal for builds requiring tighter tolerances and improved valve control under high-performance conditions.
Standard-size guides are available individually or in sets of 8. Oversized options (+0.001" and +0.003") are sold individually to support custom machining and advanced tuning.
GSC3002 Standard Dimensions:
- Total Length: 1.670 in / 42.42 mm
- Outer Diameter: 0.4750 in / 12.07 mm
- Valve Stem Diameter: 6.6 mm
Perfect for DSM restorations, Evo upgrades, or turbocharged rebuilds, this guide ensures smooth valve operation and consistent performance under heat and boost.
Fitment:
- 1990 - 1999 Mitsubishi Eclipse GSX
- 1991 - 1992 Mitsubishi Galant VR-4
- Mitsubishi Lancer Evolution I–IX (4G63T-equipped)
- 2003 - 2005 Mitsubishi Lancer Evolution VIII
- 2006 Mitsubishi Lancer Evolution IX
- 1990 - 1998 Eagle Talon TSi AWD
- 1990 - 1994 Plymouth Laser RS Turbo
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