I have my 2F from a 86 FJ60 at the machine shop.
What I need to know is who is the best vendor to
get 30+ piston and rings from, as our local supplier wants
way more than SOR.

You might try Pac Lift.
1-800-421-5438
They are located in Santee, CA, near SD
Ask for Al.
They are a Toyota forklift truck dealer and sell OEM parts. Last time I looked, rebuild kits were $529 with rings, pistons, gaskets, bearings, oil pump.