# 1) Bolt pattern --- regular Mopars were 5 x 4 1/2,
Imperials were 5 x 5
# 2) Bearings themselves --- regular Mopars used the
A6 Inner and A2 Outer;
Imperials used the much bigger A5 Inner and A3
Outer
# 3) No sense even measuring their heights, etc. Because they are already 1000 % different....