253/308 carbs and aircleaner Q's

[Absinth]

I've got 3 Rochesters are the numbers are as follows

17057294 0748
17057294 2367
7041282ZF 1271

Also have a LH exhaust manifold 7424983

Whats your thoughts with these numbers??

Well that's a funny one.... I just checked the numbers on my carb and have exactly the same as one of yours Agro.... assembled on the same day.

My carb is 17057294 2367 July 77