The Malibu Boat LT4 Engine Supercharger Belt (PN E200065) is a high-performance serpentine belt designed specifically for the LT4 engine equipped with a supercharger in Malibu Boats. This belt is responsible for driving the supercharger, delivering the necessary power to increase air intake and boost engine performance. Engineered to withstand high RPMs, heat, and marine conditions, it ensures consistent supercharger operation for optimal engine power and efficiency. Regular inspection and timely replacement are crucial to maintaining peak engine performance and avoiding loss of boost.