58180-ZX2-T11 Prop (15-1/2x17) - Overview. The 58180-ZX2-T11 Prop (15-1/2x17) is a crucial component in Honda marine engine propulsion systems. This three-blade stainless steel propeller with a diameter of 15.5 inches and a 17-inch pitch is designed to provide efficient thrust and maneuverability for boats. It plays a vital role in maintaining optimal boat performance, ensuring smooth water flow and power transfer while matching factory specifications and tolerances. This propeller integrates se