oh and its 10:1 on a 72cc bowl, 64cc would get you a 10.6:1

yea you can buy it from Dart direct with different types of bottom end layouts

Hello
I`m new at the forum.
I have some question regarding your 400 cubic inch Dart SHP short block,is`t possible to purchase that shortblock with that rotation kit in (scat).
What`s the Compression Ratio with this piston you have.
Best Regards PONROV