Mahle Rings Plasma Moly Steel Top Compression Ring 4.385in x .0625in .190in RW Moly Ring Set

This set gives you the top compression rings you need for your engine rebuild. Specifically, you get Mahle OE plasma moly steel top compression rings, measuring 4.385 inches in diameter with a 0.0625-inch thickness and a 0.190-inch ring depth. These are designed to be the top compression ring in your piston assembly.

Mahle uses plasma moly steel for these rings, a well-known material for its durability and ability to handle the heat and pressure found in the combustion chamber. The plasma moly coating helps reduce friction and wear, which is crucial for the longevity of your engine. This means they'll seat well against the cylinder wall and maintain a good seal over time, helping your engine run efficiently.

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