Mahle Rings Performance Steel Napier 2nd Ring 3.2087in x 1.2MM .135in RW Plain Ring Set

This Mahle OE piston ring set features a 1.2mm thick Napier hook design for the second ring, a specific choice that helps manage oil more effectively. The Napier hook is a stepped design that helps scrape oil off the cylinder wall as the piston moves down, preventing excess oil from entering the combustion chamber. This particular set uses steel for the second ring, offering good durability and consistent tension against the cylinder wall. The bore size for this set is 3.2087 inches, with a ring thickness of 1.2mm and a rail width of .135 inches. These rings are designed for performance applications where precise oil control is important for engine health and efficiency.

Mahle OE is a well-known name in engine components, and this ring set reflects their focus on providing parts that meet or exceed original equipment specifications. The steel construction of the second ring provides a solid seal and resists wear, ensuring reliable performance over time. When rebuilding or refreshing an engine, choosing the right piston rings is crucial for proper cylinder sealing, efficient combustion, and preventing oil consumption. This set offers a well-built option for those looking for a specific design to improve oil control in their engine build.