Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Mahle OE plain piston ring set is a Performance Steel Napier THM-13 bulk pack sized 4.065 x .043in with .135RW, supplied in a 48‑piece pack for workshop use. It provides the precise listed dimensions and plain ring profile for engine rebuilds and routine replacements where this exact size is specified, enabling consistent selection across multiple cylinders.
Mahle Rings Performance Steel Napier THM-13 4.065 x .043in .135RW Plain Ring Set (48 Qty Bulk Pack)
