Dana 60 Spindle boring tool- Allows you to accurately and easily bore your dana 60 rear axle spindles to accept 35 spline shafts. Spindle is bored to 1.560". Tool threads on to spindle to center itself and attaches to a half inch drill. Use a good 600 RPM maximum 1/2 drill. Tool has threaded holes in body that allows the introduction of cutting oil with out removing tool. See our full right up on the tool and the boring proccess in the Tech section. 35 Spline Chromoly and 300m custom double spline shafts are also available, as well as our custom rear dana 60 drive flanges to accept shafts. If your looking to build the ultimate 60 we have you covered. Tool rental program and replacment bits are also an option.