I am planning on building a bumper pretty soon and need to get some D ring Shackles but I dont know the Bolt Pattern/size for the bumper mounts. I know I could go pull the bumper off but that a PITA and it would be much easier if someone already had it handy. Thanks alot for you help
-david

 

Have my front bumper sitting in my driveway, will try tonite to get the measurements for you.

 

51/4 across, 21/2 up & down. Measurements are center to center.