Economical replacement rocker arm set?

BTW, if you get the chance and have any of the original lifters, accurately measure the cup height on the new ones to the old ones to see if there is any difference. Just another long shot .....
I didnt catch this in time. Already installed and did the break in.

Speaking of, anyone know if I can run the car a little while the break in oil is in there and after I have finished the break in process? I'm sure it wont hurt but figured I would ask. It was just two lifters.

And by run the car I mean, in the garage, and maybe around the block to listen for the tick.