TRIPLE X Sprintcar Front Axle Precision Built 2 1/4" X .120" wall 4130 chromoly tubing for coil over front end. The right side shock mount is extended for cars with extended right side shock towers � Right Front: 10�/12� - Left Front: 8�/10� � Axle king pin bosses are factory honed. � Threaded panhard bar stud. � Threaded sway bar studs (on left and right)