Believe it or not those are the original pistons. My machinist said they are still like new with the knurls for 55,000 miles. The crank mikes like factory specs same as the cylinders. Using standard bearings and rings. I did that once on My 327 and they only lasted 30,000 miles. NICK L72
427impalasportcoupe
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on 12/17/2018, 4:48 pm, in reply to "