This is the latest and greatest reed setup for the MachZ/Summit 1000. Boyesen has renewed their committment to the snowmobile market and has come out swinging. These newly designed cages claim up to a 10 horsepower midrange gain on this motor. This complete rad valve system offers more flow with explosive throttle response. The Power Wings smooth airflow through the throttle bodies for constent power at all throttle positions. Simply the best intake system available for this Doo big twin. Kit comes complete with Rage Cages, Power Wings, gaskets, and instructions. No EFI changes are required.