You're so smart!
"If you are running the TW heads you should use the rockers Trickflow recommends- Crane Gold Race (=Trick Flow rockers and Ford Racing rockers w/ different anodizing). Trickflow spent a lot of time checking rocker geometries to insure valve guide longevity. Go with what they recommend.
FWIW TFS specifically said not to use Harland Sharp"
JL