FAR MORE SUPERIOR THAN YOUR TYPICAL SWAP AXLES, INSANE SHAFTS AXLES ARE MADE OUT OF CHROMOLY STEEL THAT IS PUT THROUGH OUR PROPRIETARY ANNEALING AND HEAT TREATMENT PROCESS THAT IS CAPABLE IN HANDLING POWER DEMANDS OF UP TO 500 WHEEL HORSEPOWER. THESE AXLES ARE THE PERFECT ADDITION TO YOUR HIGH PERFORMANCE VEHICLE NEEDS. ALL INSANE SHAFTS AXLES INCLUDE REMOVABLE ABS RINGS (IF APPLICABLE) AND NEW SPINDLE NUTS. PLEASE CONTACT US FOR CUSTOM APPLICATIONS.