Resurfaced lifters

Berry cams does it here in MN. He wanted my old lifters if they had little use. I had him resurface 3 sets that were low mileage. They were all older lifters, so I'm confident the metal is good. I'm going to try a set on a solid cam. The guy I know that had a failure, it was a brand new comp cam, and an old set of resurfaced solid lifters in a boss 429. He's a very competent engine builder. Could have been coincidence.