Mahle Rings Gas Nitride Steel Performance Top Compression Ring 4.250 x .043 .170 RW Plain Ring Set

Mahle is a well-known name in engine components, often supplying parts directly to vehicle manufacturers. This set of performance top compression rings is built with their expertise in mind. These rings are designed to seal the combustion chamber effectively, helping your engine run efficiently and powerfully.

Constructed from steel with a gas nitride treatment, these rings are made to handle the pressures and heat of performance applications. The 4.250 inch bore size and .043 inch thickness are specific dimensions for certain engine builds. The .170 inch ring depth and RW (which typically refers to a specific groove width or design) are also key details for proper piston fitment. This set is a solid option for rebuilding or upgrading your engine's top end.