Mahle Rings Caterpillar C15 16.6:1 Engine 5.400in Bore Ferrotherm Moly Ring Set

The Ferrotherm Moly coating on these Mahle piston rings is a key detail, offering improved wear resistance right out of the box. These rings are specifically made for Caterpillar C15 engines with a 16.6:1 compression ratio and a 5.400-inch bore diameter. When you're rebuilding the top end of your C15, getting the piston ring set right is crucial for proper sealing and engine performance.

Mahle has a solid reputation for making well-built engine components, and this ring set is no exception. The Moly coating helps reduce friction between the piston ring and cylinder wall, which can lead to a longer lifespan for both components. This is important for heavy-duty engines like the C15 that often see a lot of demanding work.

If you're working on a Caterpillar C15 engine, this Mahle ring set is a popular choice for rebuilds. Just remember that these are not CARB approved, so they cannot be shipped to California.