1-3/4" wide blocks?

Can you guys direct me to a place or person who sells 1-3/4" wide lowering blocks and U bolts? I found one place but they dont answer their phone or return messages. Any help would be great!

Cinc~

 

Oh yeah the U bolts must be round as i have a 57 chev rear end!

Cinc~

 

Can't help ya, but I'll be watching this thread, as I need them too for my '54 Pontiac.

 

national chevy association has the blocks and you can get the u bolts at just about any parts house