Toro CE Update Kit, For 520HE Int'l (Model 73520) This update kit for your Toro 520HE International garden tractor includes components and instructions for installing the following safety and functional upgrades: An outer heat shield to reduce the risk of burns A PTO (Power Take-Off) guard to protect the operator from rotating parts A fan guard to prevent contact with the spinning fan blade A throttle cable clamp screw and stop tab to ensure the correct high idle speed is set These upgrades will enhance the safety and performance of your garden tractor, providing you with peace of mind and a more enjoyable operating experience.