i cheetah is a good motor, the port timing are towards the topend side however the presents of the power vavles will bring back that lowend your missing. a good cheetah setup will be very nice. but beware your not going to be able to just toss the motor in there and run it. your going to need ALOT more harewear to include swinger, clutch, pipes, suspension, carbs, reeds, ect ect. and those dont take normal banshee heads or reeds. do more research before you jump in so you know what your getting your self into