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The Mahle OE plain piston ring set is a 48‑piece bulk pack of second rings manufactured from Napier steel, sized 4.035 in x 1.0 mm with a .136 in radial width. Supplied for high-volume or professional engine rebuilds, these plain second rings are intended to provide consistent sealing and dimensional accuracy during piston service, helping maintain cylinder compression and reliable operation.
Mahle Rings Perf Napier Steel 2nd Ring 4.035in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)
