Mahle Rings Pro Series Performance Rings Low Tension 4.125 Bore Moly Ring Set

If you're rebuilding the engine in your performance vehicle, getting the right piston rings is crucial for sealing and power. Mahle's Pro Series rings are a popular choice for builds where you need reliable performance. These rings are designed for a 4.125 inch bore, a common size in many performance V8 engines.

This set features low-tension rings with a moly face. The lower tension helps reduce drag on the cylinder wall, which can free up a bit of horsepower and improve oil control. The moly coating on the top ring face is well-known for its durability and ability to seat quickly against the cylinder wall, which is important for maintaining compression and preventing blow-by, especially in engines that see regular use or higher performance demands. They are a well-built option for engine builders looking for a solid set of rings.

Please note that these rings are not CARB approved and cannot be shipped to California. Always refer to your engine build specifications and manufacturer instructions for proper installation.