8-1/4 axle u-bolt question

[busteed]

I need to buy axle u-bolts for my 8-1/4" 74 Charger.  Has anyone purchased these lately?  All the part stores that I went to tell me that you cant look up the correct U-bolt for make and model of car.  The info that I have gathered so far is that the axle tubes are 3" in diameter, I am not sure of the thickness of the u-bolt or how long they need to be.  I If you can get me the information needed to purchase these for my car, I would appreciate it....
                    THE BUS (Esquire)
                                     

[Chryco Psycho]

I have a suspension shop make them for me locally , usually 1/2" X 7 " round top works   

[2harleyriders]

Mopar performance sells these.  I am rebuilding one now and they have all 8 1/4 axle components that you need.  the only thing they stopped selling is the ring and pinion gears. 

[71charger_fan]

Mancini used to list them in their fliers. That's where I got mine.

[mikepmcs]

http://cgi.ebay.com/ebaymotors/70-74-Chrysler-Mopar-AB-E-body-U-Bolts-set-of-4_W0QQitemZ250066615687QQihZ015QQcategoryZ34200QQcmdZViewItem

http://www.mopartsracing.com/parts/dtrain.html