18-Up Wrangler JL 4 Door 3.5 Inch Alpine CT3 Long Arm Suspension System No Shocks TeraFlexAdjustable Alpine Long Arms balance front caster angle and pinion angles as well as optimize rear pinion angles, anti squat geometry, and tire position on vehicles with 3 6 Inch Lifts. On higher lifts, Long Arm Brackets reposition frame end control arm mounting points to restore near factory orientation to reduce bushing stress during extreme droop as well as shock load transferred through the Long Control Arms. The Front HD Forged Adjustable Track