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The Mahle OE plain ring bulk pack contains gas-nitrided steel plain rings sized 4.055 x .043 x .157 RW, supplied as a 48-count bulk pack. These plain rings are intended for sealing compression and aiding oil control in engine builds and rebuilds. Bulk packaging supports repeated use across multiple pistons requiring the 4.055-inch specification.
Mahle Rings Perf Gas Nitride Steel 4.055 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
