GSC Super Alloy Exhaust Valve Set +1mm Oversize for Mitsubishi 4G63T – GSC2007-8
The GSC2007-8 Super Alloy exhaust valve set is designed for Mitsubishi 4G63T engines pushing serious horsepower and elevated exhaust gas temperatures. With a +1mm oversize head diameter of 31.50mm, these valves are built to endure up to 2000°F, making them ideal for high-performance turbo applications. Sold as a complete set of 8.
Specs:
- Head Diameter: 31.50mm
- Stem Diameter: 6.6mm
- Overall Length: 109.20mm
Each valve features a chrome-polished stem for smoother movement and extended wear resistance—especially when paired with GSC’s manganese bronze valve guides. The under-head dish is optimized for weight reduction, while swirl-polished and back-cut heads enhance airflow without compromising strength. Engineered for heat tolerance, durability, and consistent performance under extreme conditions.
Fitment:
- 1990 Mitsubishi Eclipse GSX 2.0L Turbo AWD 4G63T
- 1991 Mitsubishi Eclipse GSX 2.0L Turbo AWD 4G63T
- 1992 Mitsubishi Eclipse GSX 2.0L Turbo AWD 4G63T
- 1993 Mitsubishi Eclipse GSX 2.0L Turbo AWD 4G63T
- 1994 Mitsubishi Eclipse GS 2.0L Turbo FWD 4G63T
- 1995 Mitsubishi Eclipse GS-T 2.0L Turbo FWD 4G63T
- 1996 Mitsubishi Eclipse GS-T 2.0L Turbo FWD 4G63T
- 1997 Mitsubishi Eclipse GS-T 2.0L Turbo FWD 4G63T
- 1998 Mitsubishi Eclipse GS-T 2.0L Turbo FWD 4G63T
- 1999 Mitsubishi Eclipse GS-T 2.0L Turbo FWD 4G63T
- 1990 Eagle Talon TSi 2.0L Turbo AWD 4G63T
- 1991 Eagle Talon TSi 2.0L Turbo AWD 4G63T
- 1992 Eagle Talon TSi 2.0L Turbo AWD 4G63T
- 1993 Eagle Talon TSi 2.0L Turbo AWD 4G63T
- 1994 Eagle Talon TSi 2.0L Turbo FWD 4G63T
- 1995 Eagle Talon TSi 2.0L Turbo FWD 4G63T
- 1996 Eagle Talon TSi 2.0L Turbo FWD 4G63T
- 1997 Eagle Talon TSi 2.0L Turbo FWD 4G63T
- 1998 Eagle Talon TSi 2.0L Turbo FWD 4G63T
- 1991 Mitsubishi Galant VR-4 2.0L Turbo AWD 4G63T
- 1992 Mitsubishi Galant VR-4 2.0L Turbo AWD 4G63T
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