OTR 2.5" Shackle Reversal Leveling KitOTRs 2. 5 Shackle Reversal Leveling Kit. Includes all brake line extensions, shackles, and mounting hardware. This Shackle Reversal will level the front of your Roxor. One other main benefit of our shackle reversal is that it allows the tire to move backwards more easily when you approach a bump or an obstacle, thus smoothing out the ride. Our Shackle Reversal puts the fixed end of the spring at the front, this will make the tire axle move towards the