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| SKU | GSC1002 |
| MPN | 1002 |
| GTIN | GSC1002 |
| Certifications | None |
| Material | Viton |
| Color/Finish | Black |
| 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 RS |
| 2006 | Mitsubishi | Lancer | Evolution SE |
| 1990-1994 | Plymouth | Laser | RS |
Upgrade your engine's performance and reliability with the GSC P-D 4G63T Evo 1-9 / 90-98 DSM Viton 6.6mm Valve Stem Seal Set. Designed specifically for the Mitsubishi 4G63T engines from Evo 1 to 9 and DSM models from 1990 to 1998, these valve stem seals ensure optimal sealing and durability. Crafted from high-quality Viton material, they provide excellent heat resistance and long-lasting performance, ideal for high-performance applications.
Each set features a 6.6mm valve stem seal diameter, perfectly engineered to maintain proper oil control while preventing leaks that can reduce engine efficiency. Whether you are rebuilding your motor or upgrading your valve train components, these seals offer precise fitment and enhanced longevity compared to standard rubber seals.
Trust in GSC Power Division, a brand known for its commitment to motorsport-grade parts and performance reliability. Backed by Tuningsupply’s fast shipping across Europe and customer-focused service, this Valve Stem Seal Set combines quality with convenience for serious enthusiasts and workshops alike.
Each set features a 6.6mm valve stem seal diameter, perfectly engineered to maintain proper oil control while preventing leaks that can reduce engine efficiency. Whether you are rebuilding your motor or upgrading your valve train components, these seals offer precise fitment and enhanced longevity compared to standard rubber seals.
Trust in GSC Power Division, a brand known for its commitment to motorsport-grade parts and performance reliability. Backed by Tuningsupply’s fast shipping across Europe and customer-focused service, this Valve Stem Seal Set combines quality with convenience for serious enthusiasts and workshops alike.
Customer reviews
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Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















