Jadaharabi said

If you're making your rocker arm shafts for the adjustable rocker arms don't forget to put the second hole in the shaft. You can see it in that picture that is posted showing the slots.
According to Yellow Rose those holes from the factory are in the wrong spot so this is a perfect time to line them up where you want them to be and then drill.

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4spdragtop said

Pics I pulled from fabo threads. The grooves dont appear be centered with hole.

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