Mahle OE plain second ring set for a 3.1890-inch bore with a 1.5mm edge width is supplied as a grey iron second ring pack for rebuild applications. These plain rings are specified by bore and edge width and are intended for use in engines where the listed dimensions match the cylinder and ring groove specs.
Mahle Rings 3.1890in X 1.5MM Edge Width Grey Iron BT Second Ring Plain Ring Set