Good deals for motors?

How do these prices look, I guess I can get them through my work. They look like some good deals?
http://www.pittspeed.com/uploaded/SFXCAB.JPG

yeah def looks like a good deal on alot of them. ill let my boss know about the cummins and powerstrokes. we just went thru 3 cummins in just one of our tow trucks because 2 were junk motors out of a yard. paid something like 5+ from waht i know on the one cummins.