Mahle OE plain ring set in Gas Nitride Steel, sized 4.445 in with .043 in thickness and .171 RW, is available as a 48-piece bulk pack for shop use or batch rebuilds. These plain rings meet the listed dimensions for piston assemblies and are useful when multiple identical sets are needed for repeated engine builds or inventory stocking with that exact size and material.
Mahle Rings Performance Gas Nitride Steel 4.445 x .043 .171 RW Plain Ring Set (48 Qty Bulk Pack)