Barnett Complete Scorpion Clutch Assembly With Lock-Up For Harley The Scorpion Clutch Assembly With Lock-Up is expertly designed to fit under the standard primary cover, providing a seamless integration with your vehicle. It employs a progressive system where pressure is incrementally increased as the RPM rises. This clutch assembly is not just about enhancing performance it also ensures that the vehicle maintains its original aesthetic appeal. Features: Provides smoother shifting, more progressive engagement Surface area is greatly increased and lever effort is kept to a minimum High capacity and six coil spring provide smoother shifting and a more linear engagement Multiple spring sets included for a variety of pressure options No modifications required CNC machined, 6061-T6 billet aluminum pressure plate Scorpion clutch basket and a steel inner hub is also included to complete the unit Perfect for stock to large displacement, high Hp/Tq motors Can be run wet or dry Made in the USA