Front LJ Non Rubicon 1310 CV Extreme Duty Series Adams DriveshaftYou are buying a Front LJ Non Rubicon 1310 (Extreme Duty Series) CV Driveshaft made by Adams Driveshaft the Industry Leader in Custom Driveshafts. Adams Driveshaft custom makes these driveshaft using Only the best components made by two American Companies, Spicer and Neapco. We Start out installing the Strongest Solid U joints and use the Strongest castings of Components possible. Then we use D. O. M Seamless tubing that we back up with a Lifetime