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This GSC Power Division manganese-bronze intake valve guide fits Mitsubishi 4G63T engines and is supplied as a single +.001in oversize replacement. Intended for head rebuilds and valve‑train servicing, the guide restores worn guide bores to proper clearance, helping maintain valve alignment and intake sealing without altering the core head geometry.
GSC P-D Mitsubishi 4G63T Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
