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Mahle Performance Plasma Moly top ring HV385, 3.553" x 1.0 mm (.143" RW), is a piston top ring manufactured from plasma moly steel and specified for performance applications. The listing identifies ring dimensions and material treatment, offering a direct replacement top ring for matching piston bores where that size and specification are required. Sold as a ring set sized to the listed diameter and thickness.
Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.553in x 1.0MM .143in RW Moly Ring Set
