85 351 ho 4 barrel carb

what are the #'s stamped on the air horn of your carb? im trying to find out if my carb is the one that came with the truck. thx!!! or if you know what model is suppose to come, and what #'s should be on air horn. thx again!!!!

I think the original carb on the 351 H.O. came with an I.D. tag. I know its made by Holly. Atleast the one that came on the 85 f150 I use to have, had an I.D. tag.