Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.523in x 1.0MM .143in RW Moly Ring Set

This set includes the top rings you need for a piston rebuild. Specifically, you get Mahle's HV385 top rings, made from plasma moly steel. They're designed for a 3.523-inch bore and feature a 1.0mm thickness with a .143-inch ring width.

These rings are built with plasma moly steel, a well-known material for its durability in performance applications. The moly coating helps reduce friction and wear, which is important for maintaining good compression and oil control over time. If you're rebuilding the top end of your engine, these rings are a solid option for ensuring proper sealing between the piston and cylinder wall.