GForce Engineering GTO L2 Axles Stubs are a direct replacement for factory stubs, and are designed for cars making big power. Our level-2 GTO 1-piece CNC machined inner stubs are machined from a single piece of proprietary aerospace billet allow. GForce inner 1-piece stubs are the strongest stub design period. When combined with our Outlaw Axles they are capable of supporting 1500HP. They truly are the king of IRS axles. Each component of a GForce axle is meticulously designed, machined, and assembled in-house, at our Wichita, Kansas based facility. Because we carefully control each process, hand build each axle assembly and only use premium materials, the level 2 axle stubs carry a Lifetime Warranty. The lifetime warranty is for the original purchaser of the product, if the product is transferred to another owner then it reverts back to a 2 year warranty from date of original purchase. In addition to the excellent design and manufacturing process we use, we also coat our axles and stubs in an aerospace anti-corrosion coating called black e-coat. Black e-coat is an aircraft anti-corrosion process that dips the parts in a poly based enamel and then the coating is oven baked. This process is not powder coating. It gives a more uniform coating and is much thinner then powder coating and will not flake off.