What to do About rear leafs?Will they work?

So i bought a complete pair of rear leaf springs with a Toytec add a leaf off a fellow member.... cheap. They came off a 2005 Double cab. I have a 2010 access cab. Can i just swap springs?
The leaf springs didnt come with longer Ubolts, or any hardware. Im thinking that the stock ubolts arent long enough. Can anyone confirm this?

Also, I have new Billstein 5100s for the rear that I have not installed, waiting to decide what i should do after i just installed OME 884 coils and shocks on the front.
So will I have to buy new ubolts and other hard ware?
I talked to a frame and alignment shop and they would just make some leafs to add to my stock leafs I have now and replace the Ubolts and hardware. It would cost about the same to swap the used complete leaf springs with add a leaf and replace hardware as it would to make add a leafs and add to my stock springs. i dont know what to do. Do the swap my self, if possible or pay the shop to do it, or have them make leaf springs and replace ubolts and hardware, which may be necessary anyway?
Can anyone knowledgable here help suggest what i should do.
i did just get my tax refund, so not too worried about paying the couple hundred to do either.
thanks in advance.

 

Take the AAL out and put it in with your new leaf packs. Chances are those 2005 pack are getting pretty tired. If you knew the specs on the AAL you could even have a shop re-arch it back to new.

 

thanks for the response! can you explain why you think taking the add a leaf off and using it in my current leafsprings would have any benefit over just having the frame shop make one?
only problem would be getting new U bolts and centering pins. but maybe that wouldnt be a problem.
Anyone else?

 

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Hey darrick,
So you are backing up what Fortech said?
And then buy some new U bolts and (are those the centering pins) from you guys?
Any reason i shouldnt just buy all new stuff or have the frame and axle shop make me some aal?
thanks!

 

No I'm not.
I'm saying order this and be done with it:

 

thanks
i have some new center pins.
The Add a Leaf is a toytech add a leaf and i removed it from the used se of springs last night, and because the truck is so new, i shouldnt need new U bolts.