Product Details: The Gates Notched XL High Capacity V-Belt is designed to provide superior performance and reliability for your vehicles. It is constructed with fiber-loaded rubber stock for increased flexibility along the length of the belt and tensile cords with thermal activity for maintenance free operation when placed and tensioned correctly. This belt meets or exceeds SAE J636c specifications, ensuring that it will provide reliable performance. FleetPride is your First Click in Heavy Duty®.