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The Mahle OE plain piston ring set in bulk pack supplies performance steel second (Napier) rings sized 4.255 in with a .043 in thickness and .135 in ring width, sold in a 48-quantity bulk package. These plain second rings are intended for engine rebuilds and batch servicing where multiple piston rings are required for consistent cylinder sealing and reliable reassembly.
Mahle Rings Perf Steel Napier 2nd Ring 4.255in x .043 .135in RW Plain Ring Set (48 Qty Bulk Pack)
