Custom Cycle Engineering Motor Mount For Harley Dyna The Custom Cycle Engineering Motor Mount system is a comprehensive upgrade from standard stock mounts designed for enhanced stability and performance. Incorporating technology from the early FXR ISO rubber mounts, it features a front motor mount with an adjustable stabilizing link connecting the motor to the frame for increased control. The rear mount benefits from two aligned proprietary damper bushings within an aluminum housing, improving both lateral and torsional movement of the swing arm for a smoother ride. Features: Replaces OEM 47564-99 (rear) / 47583-90 B (front) Made in the USA