Fitment: Compatible with 1310 Series U-Joint 5-153X U Joint
Specification:U-Joint Width: 3.219 Inch; Bearing Cap Diameter: 1.063 Inch; Flange Diameter: 3.875 Inch; Bolt Circle Diameter: 3.125 Inch; Bolt Hole Diameter: 0.375 Inch - Drilled; Pilot Diameter: 2.375 Inch - Male; Flange Face to Center Line: 1.375 Inch
Specification:Number of Bolt Holes: 4
It can used on Front or Rear Driveshafts,You can use on a 1310 Series CV Driveshafts or Weld Yoke Style Driveshafts.