This is an electro-mechanical screw-driven Bed Lift Kit to raise the bed on your Mule without the use of leaky hydraulics. The Lift Kit can be installed in one hour or less and at a fraction of the cost of the OEM hydraulic lift. Fits Kawasaki Mule 4x4. 2010. 2510. 2510 Diesel 4x4. 3010 4x4.