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The Mahle OE plain ring bulk pack contains multiple second-ring Napier steel plain rings sized 4.155 in x 1.0 mm with .136 in radial width, packaged as a 48-quantity bulk set. These rings are intended for engine rebuild shops or high-volume repair needs requiring consistent OEM-dimension second rings to restore piston sealing and control oil on compatible engines where this exact size is specified.
Mahle Rings Perf Napier Steel 2nd Ring 4.155in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)
