EVO MFG JK ProTek D44 Front Axle Truss EVO MFG JK ProTek Front Axle Truss is specifically designed to give the axle ample strength to prevent deflection 3/16 Laser cut steel and CNC press brake formed one piece sections Integrated 3/16 steel backbone through center of main truss sections collectively add to 9/16 total backbone bracing Secondary  steel differential bridge connects left and right truss sections over cast differential center section minimize excess heat and weld shrinkage which ensures a truer axle after install