The Mahle OE oil ring assembly is a gas-nitrided steel oil ring sized at 4.0551 inches with a 3.0 mm section and .127-inch ring width, offered in a 48-piece bulk pack. Suitable for gasoline engine service, the bulk packaging supports shop-level replacement work. The overview remains focused on the exact bore sizing and material type provided in the product description.
Mahle Rings Perf Gas Nitrid Steel Oil Ring 4.0551in x 3.0MM .127inRW Plain Ring Set (48 Qty Bulk)