Ya it's odd cuz these are like my old crane rollers. No holes or notches in the lifter body. Just nice and smooth.. The only place fluid could go would be to the roller
If there are no notches or holes in the body, then they don’t have pushrod oiling.
Or pressurized axle oiling either.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads