Ski-Doo New OEM REV Summit Tow Pull Hitch Kit w/Bumper 861789400 Brand new, genuine factory Ski-Doo tongue-type hitch kit, part number 861 789 400. Heavy-duty steel with powder coated finish. Includes new, heavy duty bumper, hitch, mounting hardware, and instructions. Fits: REV Summit models (except 2006 X package) with 144" - 151" track length