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Mahle moly top compression ring set for a 4.3800 inch bore with 5/64 inch moly clause (top compression ring) provides matched rings sized for precise fit during engine assembly. These moly-faced rings are intended for restoring compression and reliable sealing in rebuilds where a specified bore and ring thickness are required, offering correct dimensional replacement for engines built to the listed specification.
Mahle Rings 4.3800in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set
