Make sure you use a billet flywheel if you have taken the governor off of your motor!Kit includes: (1) angled air filter(1) air filter adapter(1) choke hold bracket(1) heavy rubber gasket(1) long carburetor stud(1) "140" emulsion tube(1) .036 jet(1) .037 jet - try both and see which you like best!(1) 8 degree advanced timing key(1) kart header with screw on muffler(1) exhaust gasket