Dana 60 - Factory 5 bolt pattern ?

Jadaharabi said
The 9 1/4 under the wifes 78 lit red express has 5 on 4 1/2 bolt pattern. My 86 w150 has a 9 1/4 with the 5 on 5 1/2? pattern.

Same with both my RC's, the '77 has 9.25 with 4.5, and the '85 has 9.25 with 5.5. Both sure grips