Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.484in x 1.0MM .143in RW Moly Ring Set

This is a set of Mahle OE Piston Rings, part number 3011238. These top rings are made from plasma moly steel and measure 3.484 inches in bore diameter with a 1.0mm thickness and a 0.143 inch groove width. They are designed for performance applications where improved durability and sealing are important.

The plasma moly coating on these rings helps to reduce friction and wear, which can lead to improved engine performance and longevity. This type of ring is often chosen for rebuilt or performance engines where a strong seal is critical for compression and oil control. They are a well-built option for those looking to ensure their engine components are up to the task.

Please note that these rings are not CARB approved and cannot be shipped to California. Always refer to your vehicle's specific service manual for installation procedures and specifications.