Revolution Gear AK-D60F Dana 60 Front Axle Wheel Bearing/Seal Kit 1 Side. Fits 1978-1997 Ford Dana D50/D60. Fits 1978-1988 GM D60. Fits 1974-1993 Dodge D60. Inner bearing: outer diameter 3.875", bore 2.25". Outer Bearing: outside diameter 3.25", bore 2". This kit services 1 side only with 1 set of axle bearings and seals.