4G63T Valve Stem Seals by GSC
GSC Power-Division Viton Valve Stem Seals for the Mitsubishi 4G63T 6.6mm seal set (includes 8 intake and 8 Exhaust). These are an upgrade from the standard OEM material to help cope with the higher heat caused increasing the performance of your engine.
Features
- Improved durability over OEM equivalent
- Includes full set of 8 intake and exhaust seals





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