JK 4.5 Inch Extreme Duty 4-Link Long Arm System. The latest addition to the Rubicon Express JK suspension offering is our complete 4-LINK Front/Rear 3-LINK Extreme-Duty Long Arm system. These high performance suspension systems deliver both performance and control that are unmatched by any other long arm kit on the market. They feature adjustable chromoly upper and lower control arms that will stand up to anything you can drive over. With PT-MEG Super-Ride Bushings and Super-Flex Joints they are sure to provide superior handing while not limiting articulation. The kits FULL WIDTH heavy-duty transmission crossmember allows for more durability and frame rigidity then the competition. This also allows for installation that is much easier that competitors kits eliminating the need for welding. An optional robust belly pan, and CNC machine steering knuckle provide outstanding upgrades. Systems can be ordered in 3.5 inch, 4.5 inch and 5.5 inch lift heights. Like all Rubicon Express systems, they are made in the USA and backed by the Rubicon Express Advantage Lifetime Warranty.
Details:

• Fits 2007 to 2018 Jeep JK Wrangler 4-Door
• 4.5 inch Lift Height
• 4-Link Front/Rear 3-Link Long Arm System
• Chromoly Upper and Lower Control Arms
• Adjustable Control Arms
• Super-Flex Sperical Ball Joints
• PT-Meg Super-Ride Bushings
• Full Width Transmission Crossmember
• NO Welding
• Mono-Tube Shocks Included