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Supertech manganese bronze intake and exhaust valve guides for Mini Cooper R53 engines, sold as a set of 8. These guides fit 6mm valve stems and are intended as direct replacements in head rebuilds to restore proper valve-to-guide clearance. They help maintain valve alignment and consistent operation in R53 Mini Cooper applications.
Supertech Mini Cooper R53 Manganese Bronze Intake/Exhaust Valve Guide 6mm Stem - Set of 8
