24232-ZW1-013 Shift Cam - Overview. The 24232-ZW1-013 Shift Cam is a crucial component of Honda marine engine systems, specifically supporting the valve timing system. This shift cam plays an essential role in optimizing engine performance by adjusting valve lift and duration according to operational needs. Designed to integrate seamlessly within Honda's marine engine architecture, it ensures durability and reliability by maintaining factory specifications and precise tolerances.. Key Features.