This Mahle OE Moly low tension reduced radial ring set is sized for a 4.060 inch bore and pairs low tension construction with plasma moly surface treatment. The set lists .043 inch and 3/16 inch ring dimensions in a reduced radial format, making it an OE-style replacement for applications that call for lower ring tension and the stated sizes.
Mahle Rings 4.060in Bore .043in 3/16in Plasma Moly Duct Low Tension Reduced Radial Moly Ring Set