I don't know the part number.
I installed it and set it at 006. Really noisy! I tightened it down so there was no Lash. Solid lifters in this engine . Really quiet and runs great.
I'm chasing a noise that I thought was a valve problem. It's not. I think I've got some blow by problems.

1946 1/2 ton Chevy Pickup
1954 235 cu in
3 speed on the floor