BB Mopar Head ID
I recently acquired some BB Mopar parts and among them is a pair of heads I’m having a hard time identifying. The heads have the direct connection emblem cast into them and a casting number of 3714476. They came with valve covers that have “Mopar Stage IV” on them. These are a little bit out of my realm so any help to ID is appreciated
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Chris Chapman
1969 Chevelle
NHRA F-G/SA 1090
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