I can try to measure it again when I get home. I in Hank's area right now. Those are in he 153 block with the 181 crank. the 181 has a 3.60 stroke which puts them .035 higher than a 250 would. The stock pistons with the 153 crank were .050 down the hole. It is the same stroke as the 230 at 3.25".

"I wonder if God created man because he was disappointed in the monkey?" Mark Twain