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The Mahle OE plain ring bulk pack contains Napier steel second rings sized 4.150 in x 1.0 mm with .136 in radial width, packaged as a 48-count set for high-volume repair or rebuild use. These rings are intended to restore piston sealing and oil control where this precise OE dimension is required, offering consistent replacements for shops and enthusiasts working on compatible engines.
Mahle Rings Perf Napier Steel 2nd Ring 4.150in x 1.0MM .136in RW Pack Ring Set (48 Qty Bulk Pack)
