Thank you for all the responses. I have a second running 265 in another truck so had the knowledge that the parts may be hard to find.
i cant justify 4K for a set of pistons and rods. If there has to be a custom solution, maybe there is a less expensive.
Definitely interested in adapting 237 parts. I haven’t seen that in my research other than knowing it’s the same 25” block.
I bought the whole thing as a gamble guessing it was a 265 taking the que from the missing intake manifold off and assuming it had been a dual barrel intake.
Thanks for the help! Keep it coming!