The bolt-on anti-roll bar assembly includes drag-race 1-1/4" x .188"-wall or pro-street 7/8" x .188"-wall torsion bar with weld-in, splined ends, 1-5/8 x .065"-wall 4130 mounting tube with billet bearing mounts, low-friction polymer bearings, bolt-on chassis-mounting tabs, splined billet aluminum arms, and adjustable link rods with 4130 rod ends. Our exclusive bolt-in chassis mounts make removal of the anti-roll bar assembly from the chassis simple. The parts are shipped unassembled for easy installation on any chassis design. Maximum width 40".