Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.405in x 1.0MM .143in RW Moly Ring Set

If you're rebuilding an engine for better performance, these Mahle Performance Plasma Moly Steel top rings are a solid choice. They're designed to handle the extra stress and heat that comes with a performance build, helping to ensure a good seal between the piston and cylinder wall. The plasma moly coating is a key feature here, as it helps reduce friction and wear, which is crucial for longevity in a performance engine. These rings are 3.405 inches in diameter and have a 1.0mm thickness, with a .143 inch ring groove width.

Mahle has been a well-known name in engine components for a long time, and these rings reflect that experience. The plasma moly steel construction means they are well-built to resist scuffing and maintain their shape under demanding conditions. This helps keep combustion pressures contained and oil consumption down, both important for getting the most out of your engine. They are intended for performance applications where a reliable seal is paramount.