There's a member here, screen name is HemiDavey. he rebuilds hemi rockers and resurfaces them.
Here's his ad from the hemi parts for sale section here in the classifieds...

Please see my post from 4-5-23 for info on my Hemi Rocker restoration.
Here is a real nice set
Aluminum stands
New Stanke shafts with removable plugs
New grade 5 bolts
Excellent original rocker arms, standard ratio, resurfaced
New springs
All parts are carefully inspected, washed and assembled correctly. Oiled and bagged for install on your engine. $2300 Sold

Please contact me by phone or text, I can text more photos to you
7 three 4 - 2 three 1- 0 seven 0 five
Thanks, Dave

Dave's Hot Rod Garage (Registered repair facility in State Of Michigan)
3851 Argentine
Howell, Mi 48855