Globe Marine DriveSaver&reg; Model 424Y Marine Drive Coupling for Yanmar & Kanzaki Transmissions 100mm Flange Diameter, 4-Bolts, 10mm bolt diameter, 78mm bolt circle, 50mm pilot diameter, male/female configuration, 4-1/4" coupling diameter, 1" coupling thickness 550 ft/lb Engine Torque Rating. Made in the USA. Grade 8 Hardware Replaces Isoflex IC-4200-95, Polyflex 424, R&D 910-002 Couplings Fits Kanzaki KBW10E, KMP2, KM35A, KM35P, KM3A, KM3A1, KM3A2, KM3P, KM3P2, KM3P4, KM3V Fits Yanmar 20G, 20H, 20M, 30G, 30H, 30M, JH-2-TF, KBW 10, KM2, KM2P, KM3, YSBE12, YSE12, YSME8