Another DCR/quench/cam overlap triangle question

I’m going to go with…..it’s these……

From before TRW and Sealed Power had merged, when they each had their own part numbers:

53CB1BCA-A28B-4004-8984-07285B64DBC2.jpeg


72AA168F-0669-466E-9959-FA2A6384C4D4.jpeg

I can’t find any specs on these, but the “equivalent” TRW piston should be a L2386F, but those only have a CH of 1.591, so in an uncut block they’d be down the hole .090”+.
I built a 360 for my dad with a set of the TRW’s back in 1990, and it ended up at a little under 9:1.