Mahle MS 4.055in 1.5mm 1.5mm 3.0mm Drop In Rings

This is a Mahle 4.055 inch piston ring set, featuring standard tension drop-in rings with specific dimensions of 1.5mm for the top and second rings, and 3.0mm for the oil ring. These rings are designed to fit a 4.055 inch bore size, commonly found in various engine builds where precise ring sizing is critical for proper sealing and performance. Mahle is a well-known name in engine components, and this set offers a solid option for rebuilding or refreshing an engine.

The construction of these rings is intended to provide a good seal between the piston and cylinder wall, which is essential for maintaining compression, controlling oil consumption, and ensuring efficient combustion. The standard tension design is a popular choice for many applications, offering a balance of sealing capability and ease of installation. When installing, ensure the cylinder walls are properly honed and clean, and that the rings are seated correctly in the piston grooves to achieve optimal results.

It's important to note that this ring set is not CARB approved and cannot be shipped to California. Always refer to your specific engine's service manual for detailed installation procedures and specifications to ensure a successful rebuild.