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The Mahle OE plasma moly steel top compression ring set, dimensioned 4.620 x 1.0 mm .143 RW, supplies a plasma-moly coated top ring for engines requiring this specific diameter and thickness. The set is presented for use in piston assembly where the listed size is required to meet rebuild or replacement specifications. Use this top compression ring where the 4.620-inch diameter and 1.0 mm section match engine bore and ring groove requirements.
Mahle Rings Performance Plasma Moly Steel Top Compression Ring 4.620 x 1.0MM .143 RW Moly Ring Set
