273 stock adj rockers

Stay away from the MP adjusters, same for Crane adjusters. Over the years I have run into adjusters that are soft metal. Suppose to be hardened. Had a set of Crane nodular iron rockers on my small block, kept going out of adjsutment. Pulled several and found that the ball that contacts with the pushrod cup wore down. Ran the rest over a file and got metal filings. Went with Smith Brothers, never had another problem