Rubicon Express was founded in 1996. We’ve always been a company of dedicated off-roaders, and our goal has always been to provide Jeep enthusiasts with the highest quality suspension components at the greatest value possible. Almost 20 years later, our focus hasn’t wavered, and we’re proud to be the industry standard in after-market Jeep suspension and drive-train products. Our passion for excellence has been our driving force from day one and we’ve never lost sight of our humble beginnings. We understand and respect the investment our customers make in their vehicles. Our staff members are all Jeepers, and will do their best to answer any questions about our products you may have. Replace weak, worn, factory rubber bushings with these polyurthane kits from Rubicon Express and keep your rig's springs free from noise and metal on metal contact. Specs:Includes sleeves,Does 4 leaf springs,For use on springs with 1.5" inside diameter main bushing,1.5" shackle bushing,Made of polyurthane,