Supertec rocker rebuild process:
We remove the old bushing and adjuster (if present)
Clean adjuster threads with 8x1.0 forming tap.
Black Oxide the rocker
Ream the bushing hole
Press in the new DP4 bushing and burnish
Surface the contact pad
Coat the contact pad with Moly dry film (TLML 2)
Bore oiling passage
Treat the rocker to a Cryogenic conversion process
On the shelf ready for exchange