Zinc-plated for better fitment and corrosion resistance Wheel base and offset feature 2" adjustability by simply swapping spline spacer locations Makes it possible to increase the axle track 2" or 4" wider than the stock axle width Adjustable from -2" to +5" from standard by quick-changing pin drive hubs Heat treated multiple times for the best combination of strength, ductility, and durability. AXLE ELIM 2+2 KFX450