Where is the casting number on PI heads???
06-02-2006, 03:35 PM
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Join Date: Mar 2006
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Where is the casting number on PI heads???
Just wanted to look and see if the previous owner of my car may have done a PI swap. Where do I find the casting numbers??? I know that my intake has an aluminum crossover, so I don't know if that was done under warranty or if it might be a PI intake?
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