Well not sure why you want narrow bearings for a factory crank or if you mean narrow main bearings but I'm gonna go ahead and say I use King CR805XPN and yes they are available .010" J.Rob
Sorry, should have been more specific, it’s a 4” Eagle forged crank. The std. clevite 77 rod bearings I removed had signs indicating it was interfering with the fillet on the crank. Plus the machine shop kept the radiuses on all the journals when they ground it.
