Fitment:59350 stretch belt installer compatible with 2011 and newer Ford 3.5L EcoBoost and 3.7L engines, as well as 2019 and newer GM 5.3L and 6.2L engines.Used to Install the Main Stretch Belt on Extra Deep Double Pulleys Features: 1) The 59350 Stretch Belt Install tool is designed to securely fit on the front side of extra deep double pulleys for installing the main stretch belt. It holds the belt in place as the engine is rotated clockwise, preventing damage during installation 2) This tool is precision-machined from high-grade steel, ensuring resistance to corrosion and exceptional durability. Each tool undergoes rigorous inspection to guarantee superior quality and outstanding performance, offering an extended service life for your convenience 3) It features adjustable components to accommodate different belt sizes and pulley configurations, as well as ergonomic grips for comfortable use during installation 4) Inside of the tool is designed to fit securely on the front side of pulley.The tool holds the belt on the pulley as the engine in rotated clockwise to install the belt.Helps prevent damage to the belt or pulley during installation 5) Compatible with 2011 and newer Ford 3.5L EcoBoost and 3.7L engines, as well as 2019 and newer GM 5.3L and 6.2L engines, this stretch belt tool is praised for its durability and ease of use, particularly useful for vehicles with tight engine compartments or limited access to the pulleys Package included:59350 Stretch Belt Install tool