RockJock Antirock Sway Bar 36in Long x 1in Dia. x 25 SplineOverlanders and Racers! If you've been in need of a heavier front sway bar to support the added load, and resulting sway) of the addition of a rack, a roof top tent, camping gear, etc. or if you are a desert racer needing more control, RockJock has the solution! Their 36 in. wide x 1 in. O. D. x 25 spline sway bar is a direct replacement for any of our other 36 in. wide bars regardless of application. Simply unbolt the arms from your existing bar,