2008 Jeep Wrangler JK Unlimited Rubicon - Supreme Performance For JK Wranglers - Tech

One of the many unique features of the Poly Performance Synergy kits is the double adjuster sleeve and pinch bolt assembly that allows for easy adjustment of the control arms and drag link without removal. The lower control arms are manufactured from high-quality, crush resistant, 1 -inch, .188-wall 1026 DOM tubing and use Currie Enterprises Johnny Joints.

The factory rear track bar bracket before it is cut off for the new track bar.

To begin the installation of the Stage 3 Synergy kit the factory rear track bar bracket is cut off to make way for the new track bar relocation bracket.

The rear lower shock mount tabs are also removed and the area ground smooth. The pen mark shows where we'll cut the shock mount so it won't hang as low. The new rear lower shock mounts are adjustable to accommodate the 3- and 4.5-inch lifts so the amount cut will vary.

The rear track bar bracket is shown bolted in place. The lower shock mount is also shown cut and painted.

The Poly Performance rear lower shock mounts were then installed. Note the extra mounting holes in the shock mount to accommodate all available lift heights. The rear lower shock mounts and rear track bar bracket are also great additions to JKs that use lifts from various other manufacturers that don't offer such items.

The rear upper and lower control arms bolt up to the factory control arm mounts. The Synergy components use an abrasive-resistant powder coat finish for maximum durability and corrosion resistance.

To complete the installation of the rear components the sway-bar drop bracket and extended links were installed along with a set of Poly Performance Jeep JK Synergy Shocks. The Synergy shocks use a digressive piston on both the compression and rebound sides and are valved specifically for the Jeep JK application.

In addition to the shocks, the rear also received the new extended brake lines and rear bump stop spacers (on top of axle tube). The rear shocks offer 11 inches travel while the front offer 10 inches.

Poly Performance Synergy coil springs are progressively-wound and feature an abrasive-resistant black powder coat finish. Here the new 4.5-inch coil spring is shown with the stock coil spring.

Moving to the front suspension the coils were removed and the bump stop plates were drilled for the new bump stop spacer. The new sway bar mount is also shown installed.

The Synergy coil spring and new bump stop spacer were installed.