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The Supertech manganese bronze intake/exhaust valve guide for Mini Cooper R53 is sized for 6mm valve stems and intended for that generation. Built from manganese bronze to resist wear, it supports valve stability and reliable seating after head service or rebuilds. Confirm R53 application details and stem dimensions before installing to ensure the guide matches your Mini Cooper head.
Supertech Mini Cooper R53 Manganese Bronze Intake/Exhaust Valve Guide 6mm Stem
