Dyno "CM" Modified Superbox Cam for Honda GX200 or BSP Clone 6.5 with bored stock carb or tilly carb. * This cam provides .265" lift at the cam, which works out to .275" lift with the stock rockers. * Intake duration is 236 and Exhaust duration is 236. * Popular for Superbox, F200, or other limited mod application. * Our Superbox, or Valve spring upgrade kit #2 along with a billet rod (#6270) and billet flywheel(#6619 or #6618) is needed for added durability necessary with the increased RPM this cam will produce.