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The Mahle OE plain piston ring set supplies performance steel Napier second rings sized 4.075 in with a 1.5mm (.059 in) thickness listed as .151 RW plain ring set in a 48-quantity bulk pack. Intended for workshop or rebuild use, these rings offer a consistent replacement option to restore sealing and compression across multiple engine overhauls.
Mahle Rings Perf Steel Napier 2nd Ring 4.075in x 1.5MM .151RW Plain Ring Set (48 Qty Bulk Pack)
