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The Mahle OE plain ring bulk pack includes gas-nitrided steel plain rings sized 4.050 x .043 x .157 RW in a 48-count bulk pack. These plain rings are specified for compression sealing and oil control in engine rebuilds and shop-level work. The bulk quantity is useful for installers who need multiple matched sets for pistons with a 4.050-inch diameter.
Mahle Rings Perf Gas Nitride Steel 4.050 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
