DO NOT replace those cam bearings. They are bored after install at the factory. All of them I have seen are copper.
I have .001 under rod bearings available if your clearances need tightened .
My machine shop says 2-4 months on mains and rings.
I have .001 under rod bearings available if your clearances need tightened .
My machine shop says 2-4 months on mains and rings.