Probably be cheaper to chrome the shafts to build them up to be a little closer to the rocker bores. But, I wouldn't be afraid to run them as-is. Member Rocket has custom made shafts for sale that may be a better fit.
Thanks. RAU will bush the rockers, true up the tips, and machine/chrome the shafts for about $400 after shipping both ways, so it's not a huge cost considering the thousands going into the rest of the build. However, if it's unnecessary, it's unnecessary. I agree that my instinct is to go ahead and run them since they appear to be factory clearances and I find no signs of adverse effects on the valve train, but I thought I'd pick brains. I might PM Rocket for options/pricing.
