Fesser - sorry, my mistake. I took them out and they are Holley 6448 350 cfm 2 barrels. Link to Summit:
http://www.summitracing.com/parts/HLY-0-7448/. They have maybe 50 miles on them, so I would say no, they shouldn't need rebuilding. Manual choke. Let me know...and thanks for your interest!