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The Mahle OE moly top compression ring set sized 3.9100 in bore by 5/64 in thickness provides molybdenum-faced claimer top rings for piston rebuilds or replacements. Intended to restore proper combustion sealing where this exact ring size is required, the set suits engine rebuilds and matched ring service. Confirm bore and ring gap before installation to ensure correct fit.
Mahle Rings 3.9100in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set
