Originally Posted by painted jester
A lot of young hot rodders and enthusiasts think roller cams are a new innovation! LOL
That IS funny. Roller cams were factory original on H-D, going at least as far back as the '20s.
For that matter my '64 Panhead had a roller cam/lifters. Hydraulic, at that.
Aftermarket hydraulic roller lifters for '53-up H-D. Note how large the roller is.