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Mahle OE Moly top ring set is a plasma steel top ring at 4.045 in diameter, 1.0 mm thickness and .143 in RW, sold in a 48-count bulk pack for high-volume needs. The HVOF moly surface finish and precise sizing make the set suitable as replacement top rings in piston assemblies during rebuilds or repair projects. Verify bore size against the listed diameter before installation to ensure correct fit.
Mahle Rings Perf Plasma Steel Top Ring 4.045in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)
