56110-ZW2-F12 Piston Rod - Overview. The 56110-ZW2-F12 Piston Rod is a critical component of Honda marine engine systems. It directly connects the piston to the mechanism it drives, enabling the transmission of precise linear motion required for efficient mechanical operation. Designed to meet factory specifications and tolerances, this piston rod ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. A durable, high-efficiency piston rod