The Mahle OE plain piston ring sets feature gas-nitrided steel construction in 4.120 x .043, .157 RW dimensions and are supplied in 48-count bulk packs for shop use. These plain rings are intended to restore piston-to-cylinder sealing during rebuilds and maintenance, offering consistent sizing across multiple sets to simplify inventory and ensure correct fits for engines requiring the specified dimensions.
Mahle Rings Performance Gas Nitride Steel 4.120 x .043 .157 RW Plain Ring Set (48 Qty Bulk Pack)