Rubicon Lift Kits for all Jeep models... The Rubicon Express Extreme-Duty Long Arm System was the first radius long arm suspension available for the Jeep Wrangler JK. This system has been engineered to work WITH your Jeep's Electronic Stability Controls and Rubicon edition electronic sway bar WITHOUT compromising safety. Featuring our world-class chromoly Radius Long Arms, the geometry has been meticulously designed to keep pinion and driveshaft angles in phase, while eliminating suspension jacking and unwanted suspension squat Please call or email us with your year, make, model, engine type. Derand Motorsport 1231 Newmarket Street Ottawa, Ontario K1B 5N6 Local: 613-563-0029 Toll Free Anywhere in North America: 1-877-337-2631 34 years in business.