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Steering U Joints

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7. The biggest advantage of the Super 60 is that it has massive steering U-joints that are stronger and allow more steering angle than other Dana 60 axles (45 versus 38 degrees). Regular Dana 60s use 1480-series U-joints (SPL 55) that measure 4 3/16 inches across. The Super 60 has 1550-series U-joints (SPL70) that measure 5 inches across. In order to fit the larger U-joint, the Super 60 uses larger end-forgings with larger greaseable ball joints.

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