SUNNEN N37-J55 Honing Stone Set, 220 Grit

Original Sunnen, high quality standard abrasive honing stones for use in all AN style cylinder hone heads. Replaces Sunnen AN301 automotive part number that is no longer used. Honing stone set includes two honing stones and two wipers. For honing cylinders diameters from 3.5" - 5.5" (89.9mm - 139.7mm)