65 Barracuda daily driver
I looked around and the only info I could find was that they are older Sealed Power pistons, which are the same a TRW. They are forged, but I couldn't find any specs as far as compression height. Depending on the CC's of your heads, my WAG on compression is maybe 8.5 - 9.0. After all the work you've done, if it runs good enough to put a smile on your face....it's got enough compression, lol.
:thumbsup: