2wd leaf spring U-bolts

[70heavyhalf]

I have a 70 chevy 1/2 ton 2wd with rear leaf springs, witch was an option. I have found replacement U-bolts on LMC but it is intended for 4wd, my question is will these bolts fit my leaf springs? The reason I bring this up is because the bushings and other deminsions are different compared to 4wd. I think the U-bolts would be the same but just want to be sure. they are not auxiliary leaf springs, they have 5 leafs. the glove box says heavy duty rear leafs.
thanks in advanced

Darin