I ran the same crane gold rockers for 17plus yrs And ran them at 8000 rpms. AND I Bought them used from a machine shop after running them on BB on the dyno.I got them for less then half price.back in 84. AND i still have them and would still reused them If i ever had to.

OH and I had them maged and they are still fine.

Larry/Twisted6
[oooooo] smile
Adding CFM adds boost smile
shocked God doesn't like ugly.