No welding required; 2-inch OD tube with QA1 3/4-inch heavy duty American 28,000lbs rod ends ; Prevents wheel hop, axle wrap and large angles on U-joints; No adjustment is needed when pulling or hauling; Designed for trucks ranging from a 6-inch lift all the way to a 2-inch drop; Polyurethane bushings provide direct loading without excessive movement unlike spring loaded designs; Optimized to arc in the same path the axle travels during suspension movement which makes for a smooth ride and the ability to tow without having to adjust the bars; All necessary hardware and Rivet-nut specific drill bit and tool included; 54-inch eye-to-eye length