For pushrod oiling? They are supposed to pressure lube the roller bearing as well but the location of the oil hole concerns me as it doesn't meet with the oil band or oil galley. I can't find a single review of these things. I plan to use them on my very mild hydraulic roller cam, .285 lobe lift, because I'm sick and tired of the noisy hydraulics. Thing sounds like an old chevy with a wiped cam lobe at times.
Edit: These are the Endure-X solid rollers.