Rocker Arm help

my68barracuda said

Installed height has to do with the distance from the bottom of the valve spring retainer and the top of the valve spring seat with the valve closed. That has little to do with over all valve length, as depending upon the valve, the keeper groove can be a different heights on the same length valve. And different length valves can give you the same installed heights by cutting spring seats or installing shims under the springs.
It always amazes me how some let their machine shop pick out and install parts and the person having the engine built don’t know what they are. Do you know who made the valves and have a part number?

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I am aware of adjustments to the spring seat from machining or shims and various lock options. So installed height was not the right term to use to indicate the height of the stem, but its what I was referring to.

I sourced many of the parts and directed him on most of the remaining parts providing he didn't have a valid reason not go with them. When it came to the valves I wasn't too concerned as long as they were good quality and was going to work with the components I had. I am pretty sure they are Manley valves. If I don't remember the valve length off the top of my head what makes you think I will know the part number? Per my last post I would need to check the invoice to verify, I am currently at my office and don't have that document in front of me.