4" to 4.5" Bolt Pattern on a 7 1/4" Rear?

charger70 said

Definatly do not use the adapters!!
I vote with the other guys to swap for an entire 8.25. Axles, housing, gearset, brakes and all. The whole Shebang.
There must be someone near you that has a 4dr Dart or Valiant you can use for a donor.
There are also Sure Grip units for 8.25.
Not sure if there is one available for 7.25

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I spoke with Rocky at Moser, he said he could sell me a set of factort axles for $215 (pr) with the BBP, same bearing & spline size, basically a plug & play swap, or I could send him my axles and he would drill them out for the BBP and include the studs for $65.00 for the pair. I think I'm going to go that route unless you guys feel I should just repalce the axles, your thoughts?