Are you asking from the bottom of the cylinder wall casting to the decks? I have a 12.0 inch dial caliper that I can get close with if that is what you want I have two stock 440 bare blocks in the shop, a 1970 SPD cast in June of 1969 and a 1971 .
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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