GSC Super Alloy Exhaust Valve – Standard Size for Mitsubishi 4G63T – GSC2005-01
The GSC2005-01 Super Alloy exhaust valve is built for Mitsubishi 4G63T engines running high horsepower and elevated EGT setups. Designed to withstand temperatures up to 2000°F, this valve delivers exceptional durability and performance under extreme conditions.
Specs:
- Head Diameter: 30.50mm
- Stem Diameter: 6.6mm
- Overall Length: 109.20mm
Each valve features a chrome-polished stem for enhanced lubricity and extended lifespan—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 improve 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
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

