Cleaning out garage

Is the 4.1 block standard bore? Any cracks in the deck at the bolt holes?
 
Not sure if anyone needs it, but found the Poston chip that came in my car when I purchased it.
It is a Poston 93, 86-87 Buick 30#
$25 shipped
 
RJC 5" DP is SOLD
Poston headers and crossover- SOLD
Everything else is still available!!!!
 
Here is the Accufab AFPR
 

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