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The Supertech exhaust valve guide for Mitsubishi 4G63 series engines is sized for a 6.6mm valve stem and intended for use with that family of engines. Made to replace worn guides, it restores valve alignment and helps maintain proper sealing in overhauled heads. Confirm your 4G63 variant and stem dimensions prior to installation to ensure correct fitment and clearance.
Supertech Mitsubishi 4G63 Series Exhaust Valve Guide 6.6mm Stem
