Synergy Manufacturing products & systems have been designed by real engineers with 10+ years of suspension design & experience in the off road industry. All Synergy products are designed with the use of the latest CAD engineering software to ensure the highest level of fit, finish, and performance. 07-Current Wrangler JK, 2 & 4 Door;Includes rear upper coilover shock mount and all necessary hardware;Heavy duty tubular cross member construction;Features 1-3/4 DOM steel, with 3/16 precision laser cut bracketry;Moves the upper shock mount up and back to fit 12 travel coil over shocks;Weld in design;Bolt-on lower shock mount, moves the lower shock mount as high possible;Made in the USA