14754-ZM7-000 Lifter Collar - Overview. The 14754-ZM7-000 Lifter Collar is an essential component within Honda marine engine systems. Serving as a key part of the valvetrain assembly, this collar supports proper valve lifter operation and timing, which is critical for maintaining the engine's mechanical precision and overall performance. Carefully engineered to match factory specifications, the 14754-ZM7-000 ensures seamless integration with existing parts, maintaining optimal performance and du