G2S High Strength Axle Shafts Are Engineered To Withstand The Added Load Of High Torque Applications And To Remedy The Common Faults Found With Factory Shafts. Forged From High Grade Alloy Steel And Heat Treated To Exceed OEM Specifications, These Axles Are Designed For Extended Service Life. Added Features Such As Big Spline Options, Rolled Splines And Use Of Better Materials Allow You To Confidently Run Larger Tires Without The Risk Of Failure.