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The Mahle OE plain piston ring set bulk pack contains performance steel Napier second rings sized 4.250 in with a .043 in thickness and .135 in ring width, supplied in a 48-quantity package for large rebuild or workshop use. These plain second rings are intended to restore sealing and compression consistently across multiple engine overhauls or maintenance jobs.
Mahle Rings Perf Steel Napier 2nd Ring 4.250in x .043 .135in RW Plain Ring Set (48 Qty Bulk Pack)
