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The Mahle OE plain piston ring set is a gas-nitrided steel plain ring package sized 4.170 in diameter with .043 in thickness and .157 RW, supplied in a 48-piece bulk pack. Intended for piston rebuilds and replacement, the bulk quantity supports multiple engine jobs while maintaining consistent nominal sizing for engines that call for these dimensions.
Mahle Rings Perf Gas Nitride Steel 4.170in x .043in .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
