Stamped Rocker Clearance Issue?

Hey, having trouble with some rocker clearance. On a few (not all) the rockers are contacting the spring (not retainer). On the first picture, it shows how far down one rocker goes before interference. I can force it down, but something is definitely wrong here I think. The heads are 273 small port, small valve heads. The rockers and shaft are what came off the heads when I got them. They look stock. I was hoping to reuse them, they aren't in bad condition. I did notice that some rockers are...

Stamped Rocker Clearance Issue?
Author: admin