The Rubicon Express 4.5" Extreme-Duty Suspension Lift Kit is the perfect system to effectively combat even the toughest trails. This lift kit lifts your Jeep 4.5" while improving ride quality and increases articulation. The foundation of this suspension system is 2.5" wide leaf springs and conversion shackles as well as the twin tube shock absorbers. All Rubicon Express leaf springs are packed with premium features such as Teflon sliders between each tapered leaf, bolted spring clamps, and a military wrapped main leaf. If you're looking to lift your Jeep CJ with a quality suspension system that improves ride quality while delivering great durability, this is perfect for you.