MaxTrac Suspension 4.5" Lift Spindles 2002–2018 Ram 1500 2WD (w/Extended DOT Compliant Brake Lines)The MaxTrac Suspension 4. 5 inch lift spindle is a cost effective way to lift your 2WD wheel drive truck without breaking the budget. They do this by taking a factory height spindle and lowering the wheel hub position, which in turn raises the vehicle while maintaining a factory like ride and turning radius. By doing this, you eliminate the need to install expensive cross members that are labor intensive and require factory frame cuts. The spindles