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This Mahle OE moly top compression ring set is sized 3.9350 in by 5/64 in and supplied as an individual set for piston service and rebuilds. The moly-coated compression ring is intended for top-ring duty in compatible engines where that diameter and section width are specified. Packaged as a standard replacement ring set, it supports engine assembly and maintenance requiring OE-form fit and function.
Mahle Rings 3.9350in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set
