GSC Super Alloy Exhaust Valve +1mm Oversize for Mitsubishi 4G63T – GSC2007-01
The GSC2007-01 Super Alloy exhaust valve is designed for Mitsubishi 4G63T engines pushing high horsepower and elevated exhaust gas temperatures. With a +1mm oversize head diameter of 31.50mm, this valve is built to handle up to 2000°F, making it ideal for extreme performance setups.
Specs:
- Head Diameter: 31.50mm
- Stem Diameter: 6.6mm
- Overall Length: 109.20mm
Each valve features a chrome-polished stem for smoother movement and increased longevity—especially when paired with GSC’s manganese bronze valve guides. Engineered for strength and heat resistance, the under-head dish is optimized for weight reduction, while swirl-polished and back-cut heads enhance airflow without compromising durability.
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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