07-18 Wrangler JK 4 Door 6 Inch Alpine RT6 Long Arm Suspension System No Shocks TeraFlexTeraFlex Alpine RT (Rogue Trail) Suspension Systems build on our already capable Alpine CT (Cross Trail) Suspension Systems. These systems include all our top of the line components. The granddaddy of all our kits, the TeraFlex 6 Inch Alpine RT6 Long Arm Suspension System is engineered to excel on the highway, off road, through the desert, or rock crawling! If that sounds impossible, just remember it's a TeraFlex suspension system built on decades of