The INA Supercharger Belt Tensioner - FT40487 is a high-quality tensioner designed specifically for use with supercharger belts. It is made from durable materials and features a compact design for easy installation. The tensioner helps to maintain proper tension on the supercharger belt, ensuring optimal performance and longevity of the belt. It is a reliable and efficient solution for keeping the supercharger belt in check and preventing any potential issues or failures. This product is suitable for a wide range of supercharger applications and is a crucial component for ensuring the smooth operation of the supercharger system.