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SKU: 3003-8 | UPC: GSC3003-8
GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Stopper Style Set 8 1990-2006 Eclipse Talon Evo Lancer
GSC Power-Division Manganese Bronze Exhaust Valve Guide Stoppers in stopper style come as a set of 8 for 4G63 DOHC engines in Mitsubishi Eclipse GST GSX Eagle Talon TSi Plymouth Laser and Lancer Evolution models. These parts replace OEM snap ring guides to lock exhaust valve guides in position preventing movement during extreme heat and RPM. They deliver consistent valve train stability for rebuilt or high performance 4G63 cylinder heads.
Key Features
- Manganese Bronze Material: Provides strong wear resistance and heat dissipation to handle high exhaust temperatures without deformation.
- Stopper Style Design: Secures valve guides against migration into the head ensuring precise valve stem alignment and seal integrity.
- Set of 8 Pieces: Covers all exhaust valves on 4G63 engines for complete valvetrain upgrade in one package.
- Precision CNC Machined: Matches OEM dimensions for drop-in fit reducing installation time and maintaining factory tolerances.
- High Temperature Tolerance: Withstands turbocharged boost levels and track abuse common in DSM and Evo applications.
Product Notes
- Exhaust side only pairs with GSC valve guides or OEM for full setup.
- Inspect cylinder head ports before install to ensure clean surfaces.
- Packaged in foam-lined box for protection during transit.
Installation Notes
- Professional installation recommended.
- Use valve guide driver tool to press stoppers evenly into head.
- Compatible with stock or aftermarket valve guides no additional hardware needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1998 | Eagle | Talon | TSi |
| 1990-1994 | Mitsubishi | Eclipse | GS |
| 1990-1999 | Mitsubishi | Eclipse | GST |
| 1990-1999 | Mitsubishi | Eclipse | GSX |
| 1996-1999 | Mitsubishi | Eclipse | Spyder GST |
| 1991-1992 | Mitsubishi | Galant | VR-4 |
| 2005-2006 | Mitsubishi | Lancer | Evolution |
| 2005-2006 | Mitsubishi | Lancer | Evolution MR |
| 2005-2006 | Mitsubishi | Lancer | Evolution RS |
| 2006 | Mitsubishi | Lancer | Evolution SE |
| 1990-1994 | Plymouth | Laser | RS |
Why Choose GSC Power-Division?
- Specializes in 4G63 valvetrain parts proven in drag racing and road course.
- Manufactures in-house with strict material and tolerance standards.
- Engineered for daily drivers and 1000hp builds alike.
Frequently Asked Questions
-
Q: Does this fit 1997 Eclipse GSX 4G63?
A: Yes fits all 1990-1999 Mitsubishi Eclipse GSX GST GS and Spyder GST with DOHC 4G63 engines. -
Q: What is the material and why manganese bronze?
A: Manganese bronze chosen for its hardness corrosion resistance and ability to conduct heat away from valve guides during prolonged high exhaust temps. -
Q: What warranty comes with GSC 3003-8?
A: Limited lifetime warranty against manufacturing defects when installed by certified shop.
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 6 x 4 x 1 inches
- Weight: 0.15 lbs
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