I certainly agree with Jano (Versus)?

Oiling to the cam lobe and lifter are critical for longevity.
Maybe this oiling modification is a trade "secret"?
I think everyone assembling a CVH should do the cam oiling mods.




Notice factory oiling holes - very large openings - do not get plugged. These holes could be radiused to allow a better oil drain path as well.



North American roller rocker arms. I think these cost about 250 Pounds.


Who made those UK roller rocker arms?



Cheers