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The Mahle OE second-ring set is a Napier steel 2nd piston ring sized 4.140 in × 1.0 mm with a .136 in RW profile, supplied as a 48-piece bulk pack. Packed for rebuild shops and bulk replacement needs, these plain second rings match specified dimensions for engine overhauls and are intended to restore ring sealing and control blow-by where this size and profile are required.
Mahle Rings Perf Napier Steel 2nd Ring 4.135in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)
