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1970 Nova SS 350 Brandon, MS
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I'm guessing those numbers are how much material was removed to get the surface flat.
 

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178 Posts
The first picture definitely is how much was surfaced .008 the second picture only thing I can think of is they did the work May of 03??
 

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Discussion Starter #5
Thanks for the replies Both heads have the same so I would think it’s how much it was surfaced and when it was done.
 

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I agree with the other responses. It looks like the stamps were to document that .008" of material was removed from the head in May of 2003
 
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