the torque you will get with this basket makes it worth the money for sure !! i have no idea if it notches and faster or slower then stock but it out preforms it by far.
If you are looking for a clutch basket that is race ready, the Hinson Billet Clutch Basket is what you need!
Hinson constructed their Billet Clutch Basket out of aircraft quality T-6 aluminum, with aerospace tolerances and Akadized to increase the wear resistance by five times. With the efficiency of using this aluminum, the Hinson Billet Clutch Basket is able to increase the dissipation of heat within the clutch assembly. This feature produces better performance and increases the life of the clutch. Tight tolerances of the Hinson Billet Clutch Basket keep the clutch spinning more true, eliminating unnecessary friction and lowering the operating temperature of the clutch system. Use the Hinson Billet Clutch Basket in conjunction with the Hinson Pressure Plate and Inner Hub to kill clutch chatter, making your clutch consistent and reliable every ride.