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Mahle OE Moly top ring set is a plasma steel top ring at 4.030 in diameter, 1.0 mm thickness and .143 in RW, supplied in a 48-count bulk pack for larger rebuild needs. The HVOF moly finish and explicit sizing details support correct ring selection for piston assemblies during engine overhaul or maintenance. Always confirm bore size against the listed diameter to ensure proper fitment and end gap.
Mahle Rings Perf Plasma Steel Top Ring 4.030in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)
