Litens High Performance pullies and accessory components help reduce supercharger stress for more power. Litens Automotive is the OEM supplier for Ford, GM and Mopar belt drive components, such as belt tensioners and pulleys. OEM design and development procedures allows for a smaller pulley to be used while maintaining the ability to reduce stress and associated wear on your supercharger's bearings and rotors. Litens Hellraiser pulley kit adds 40-65+ HP on Demon, Redeye, Trackhawk and Hellcat superchargers. Upgrading the pulley is required for more power with proper fuel and tuning for maximum performance. Beefcake Racing is Authorized Dealer for Litens Performance, call 1-855-827-7223 for more info or best price.