TJ Rubicon Dana 44 Axle Housing Inner Sleeve Kit Jeep TJ, Rubicon and Unlimited Dana 44 Inner Axle Sleeve Kit; Adds 59% Increase In Housing Strength; 2 X .250 1026 DOM Tubing; Requires Drilling And Welding For Installation;For Use In 1997-2006 Jeep TJ Rubicon Dana 44;Made in the USA Synergy Manufacturing Synergy Manufacturing TJ Rubicon Dana 44 Axle Housing Inner Sleeve Kit - 5901-44 5901-44 Axle Truss