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PRH said
Didn’t measure the stem height, or the valve length, but that type of head typically uses a SBC +.100 valve(nominal 5.010”).

If you look at the pic of the springs/retainers installed you can see the tips are pretty proud of the retainers...... I’d say the tip height is well higher than 1.920.
Click to expand...
The high end 1.937 or so, that will make the rocker tips rollout worse than already is.
If they were spending on them...I'd get a kit from b3racing , but if not and they were mine...I'd cut them all some or to the mid spec, as tedious as that is.