Hughes will work for your street motor but if you are getting the cryo treated ones I would just go ahead and buy the Harland sharps and never have to worry about rocker arms again....

Not knocking Hughes but buy the best and be done with it

71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's