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The Mahle OE plain piston ring bulk pack features gas-nitrided steel and 4.090 x .043, .157 RW dimensions, supplied in 48-count bulk packs for shop inventory. These plain rings are intended for repeated rebuild and maintenance tasks, delivering consistent dimensional accuracy across many sets so technicians can choose the correct ring size for piston installations.
Mahle Rings Perf Gas Nitride Steel 4.090 x .043 .157 RW Bulk Plain Ring Set (48 Qty Bulk Pack)
