Aussie Locker Dana 30 7.2in 27 Spline Locker has been manufactured with the utmost care and attention to detail, which means a comfortable and enjoyable ride with absolutely unbeatable traction every time that you step into your vehicle. Built to last, this simple and functional Aussie Locker is the best choice for your lifestyle and conquer the most challenging trails . You were built for adventure, so don't let anything hold you back - go with the Aussie Locker. The Aussie Locker is easy to install in the comfort of your own garage, and comes complete with a 2 Year Limited Warranty.