All Rekluse clutch products are precision-engineered and made of high-quality materials to provide the best in performance and durability. Their components are stronger, lighter, longer-lasting and built for maximum performance. Rekluse's industry-leading auto clutches are optimized for each bike model as it comes from the factory and they've designed each clutch to be fine-tuned for every rider. Rekluse's manual clutches deliver unprecedented performance, tuning and durability with a design that provides more disks in less space, allowing up to four additional friction disks over stock. Designed to reduce lever pull effort while increasing lever feel consistency. 60% increase in torque capacity and clutch engagement, resulting in improved power transfer to rear wheel. Improved clutch modulation and control. Reduce clutch operating temperatures with improved oil for longevity and consistent performance. Tunable to power needs and rider preference with interchangeable spring combinations to match engine build while minimizing lever force. Designed for usable power delivery with a wide range of horsepower levels, no need for overly aggressive alternatives like lock-up systems. Kits include: Fixed-Pin design billet hub, billet pressure plate, complete clutch pack featuring TorqDrive® friction disks, two sets of varied stiffness clutch springs, basket sleeves and hardware. Made in the U.S.A.