Re: What are pulley difference SB BB ?
For some reason I figured you were looking for big block pulleys. That is what the pulley numbers were for that I posted. Small block stuff will be EASY to find. Did you get your truck without an engine so you are missing everything? Or do you have the stuff off of the 327? I'll get some small block pulley numbers if you need them. I'll even measure the diameters for you.
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