ZZPerformance Modular Supercharger Pulley Hubs

The ZZPerformance modular pulley hubs bolts on the end of your supercharger, allowing you to use any of ZZP's quick-change modular pulleys. Modular style pulley hubs allows you to quickly change pulley sizes to suit your needs. This can improve performance and is useful for different driving conditions, such as the street or the track. These high-quality modular pulley hubs are generally easy to install. Some users report a torque gain after installing a modular pulley system. These ZZP hub kits include the modular hub, stainless socket cap screws and breather cap.