14483-ZW2-F30 Rocker Arm B Collar - Overview. The 14483-ZW2-F30 Rocker Arm B Collar is a vital component within Honda marine engine valve train systems. This part functions as a collar to securely position the rocker arm assembly, ensuring smooth mechanical motion and optimal valve operation. Designed to meet Honda factory specifications, it supports reliable engine performance by maintaining correct alignment in the valve train. Crafted from high-quality materials, it ensures seamless integrati