Abstract: A jack assembly for side lifting of four wheel vehicles into tilted disposition is disclosed wherein elongated, rectilinear lifting arm means is provided which is of a length to extend substantially across the track dimension of the vehicle when the arm means is inserted under the vehicle from one side thereof. Extensible fluid actuated means is operably connected to the normally outboard end of the lifting arm means for swinging the arm means through an arcuate displacement to engage and lift one side of the car as the arm means pivots about the inboard end thereof which rests on the ground. The jack is especially useful for raising one side of smaller unibody automobiles without damage to the body or operating components.