Mahle Rings Performance 4.075in x 1/16in .190inRW D-Wall Plasma Moly Steel UCR Chrome Ring Set

This set includes Mahle OE plasma moly steel piston rings, measuring 4.075 inches in diameter. They feature a D-wall design and a chrome face on the upper compression ring, with a 1/16 inch thickness for the upper compression ring and a 0.190 inch thickness for the oil ring rail. These rings are designed for performance applications, offering a solid option for engine builds where durability and proper sealing are key.

The plasma moly steel construction is well-built for wear resistance, and the chrome face on the upper compression ring helps to reduce friction and improve sealing against the cylinder wall. This combination aims to provide improved oil control and compression retention, contributing to overall engine health and performance. They are intended for use in engines requiring a 4.075 inch bore size.