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Supertech manganese bronze exhaust valve guides for Mitsubishi 4G63 series engines, sold as a set of 8. These guides accept 6.6mm valve stems and provide a direct-replacement option for head servicing. They restore proper valve-to-guide clearance and alignment to support consistent exhaust valve operation in compatible 4G63 applications.
Supertech Mitsubishi 4G63 Series Exhaust Valve Guide 6.6mm Stem - Set of 8
