Mahle Rings Perf Napier Steel 2nd Ring 4.065in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)

This bulk pack gives you 48 Mahle OE Performance Napier Steel 2nd rings, each measuring 4.065 inches in bore diameter with a 1.0mm thickness. These rings are designed for performance applications, featuring a Napier hook design on the second ring for improved oil control and blow-by reduction. The plain steel construction offers solid durability for demanding engine builds.

Mahle is a well-known name in engine components, and these rings are built to meet their OE standards. The Napier hook design is a notable feature that helps the ring seal better against the cylinder wall, especially as it rotates. This updated design can lead to improved engine efficiency and a more consistent seal under various operating conditions. They are a solid option when you need reliable piston ring performance for a rebuild or performance engine build.