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The Mahle OE plain piston ring bulk pack uses gas-nitrided steel and is specified at 4.110 in x .043 in, .157 RW, supplied in 48-count bulk quantities for professional shops. These plain rings are intended for engine overhaul and inventory stocking, ensuring consistent ring sizing across multiple sets so technicians can select the correct diameter and thickness for rebuilds.
Mahle Rings Perf Gas Nitride Steel 4.110in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
