Original Garage Moto Polyurethane Riser Bushings For Harley Dial in the ideal fusion of control and power with the Original Garage Moto Polyurethane Riser Bushings, designed to maximize performance. With a stiffness increase of 30, these durable bushings enhance handling for a sharper ride while effectively absorbing road vibrations. They fit seamlessly into existing cup and sleeve setups, providing an instant upgrade to overall control for a commanding presence on the road. Features: 30 stiffer than OEM for better control while still providing great vibration absorption Sold in 4 pack Replaces OEM 53156-86 / 56158-73 Note: The OEM cup and sleeve are required for installation.