Mahle Rings Performance 3.937in x .0935 .184in RW Plasma Moly Top Ring Moly Ring Set

Mahle OE piston rings are a solid option when you're rebuilding an engine and need reliable components. This set features a 3.937-inch bore size, designed to match specific engine builds. The top rings are plasma moly coated, a well-known treatment that helps them resist wear and maintain a good seal against the cylinder wall, even under demanding conditions. This coating also helps reduce friction, which can contribute to better engine performance and longevity.

When you're putting an engine back together, the piston rings are critical for sealing the combustion chamber, controlling oil consumption, and transferring heat. Mahle has been a trusted name in engine components for a long time, and these rings are built to perform. The specific dimensions and materials used in this set are chosen to work effectively in performance applications where a precise fit and durable ring seal are important.