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The Supertech manganese bronze intake valve guide for Mitsubishi 4G63 engines accepts a 6.6mm valve stem and is offered for that series. Manganese bronze gives a wear-resistant bearing surface to help keep valve motion stable in rebuilt or serviced heads. Verify the exact 4G63 model and clearances before installation to ensure the guide matches your cylinder head specifications.
Supertech Mitsubishi 4G63 Manganese Bronze Intake Valve Guide 6.6mm Stem
