Need Part number for 3150 U Joint

Just bought a moser 12 bolt and getting my stock drive shaft shortened and i think i'm going to need a bigger u joint in the rear of the shaft. can anyone tell me the part number and dimensions of the 3150 u Joint? if you can sketch up a diagram w/ dimensions would be great!

(i know i shouldn't use my stock shaft but i only have 400 or so to the ground)

The part # of a 3150 u joint should be 3150. The drive shaft shop you are going to use will know what to do. I would find out what they would charge for a new shaft. I got a price of $300 with one 1350 and one conversion joint in an aluminum 3.5" shaft new.

I believe Carquest goes by Part # 3-3150.... If you have one close by give them a call.... They should be able to look up the specs.....:)