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I would think the bushing would be the way to go, a buddy of mine ,also big block chevy just broke a roller , needle bearings went through the pickup screen into the pump which locked up , then screwing the dizzy right off the intake. $$$$ Tear down, Replace cam, pump, gear on dizzy, heli coil intake , gaskets etc. Yeh, bushings.





Good lifters don't do that. We have never had a lifter failure of any kind and we run a lot of cam, a lot of spring pressure and 9800 RPM.