Mahle OE chrome top ring set for a 3.2457-inch bore with a 1.5mm edge width uses a chrome ductile top ring profile. These matched chrome ring sets are intended for engine overhaul work where the specified bore and section must be met, ensuring consistent compression sealing when installed and gapped according to shop tolerances.
Mahle Rings 3.2457in X 1.5MM Edge Width Chrome Ductile Top Ring Chrome Ring Set