Powderkeg 3.25 gal. fuel caddy for Ski-doo Xp,& XS chassis 120" + sleds, and REV GEN4 129"-37". This is a fuel keg only for the before mentioned models. This can be used in combo with the Powderkeg XP124B dry storage box. Complete mounting hardware included, and installs in minutes. The new REV GEN4 fitment includes special bent keepers to fit the different tunnel profile of the REV GEN4.