8-1/4 aka 8.25 swap for 67 Dart

I think with street tires you'll be fine as long as you don't have wheel hop issues.


U bolts: find a place local that does truck leaf springs and 4x4 stuff or summit, jegs, etc..
Shock plates: different from 7 1/4 to 8 1/4, the bolt holes wont line up with the 3" U bolts
Drive shaft: needs to be shortened 1 1/2"
U joint: same from 7 1/4 to 8 1/4
Brake hose: should be the same