I know that these motor are hard to find let alone parts etc, and the GMC guys love them so I figured when I stumbled on this I should post it up....It is also Not mine.
Hope it might help someone
http://denver.craigslist.org/pts/2988406286.html
1966 GMC 305 V6 Engine - Less than 10k Miles on the rebuild - - $350 (BROOMFIELD)
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Complete Carb to Pan. Runs Great!
Ready to drop in!
only out of truck for 3 months -
CALL DAVID 720-940-1148