GSC Exhaust Valve Guide Set w/ Stopper – Standard Size for Mitsubishi 4G63T – GSC3003-8
Designed for Mitsubishi 4G63T engines, this set of 8 GSC Power-Division exhaust valve guides features a stopper-style design and standard sizing for direct fitment. Ideal for valvetrain rebuilds or performance upgrades requiring reliable valve control under high heat and boost.
Oversized options (+0.001" and +0.003") are available separately for custom machining and tighter clearance setups.
GSC3003 Standard Dimensions:
- Total Length: 1.950 in / 49.53 mm
- Outer Diameter: 0.4750 in / 12.07 mm
- Valve Stem Diameter: 6.6 mm
Compatible with DSM and Evo platforms, this guide set delivers long-term durability and consistent valve operation in turbocharged applications.
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
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
