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I thought I was the only 1 to use button head bolts on the cam.I just file the outside edge of the head by .030" all the way around and no problem with the button clearence.


I use button head bolts as well and have no problems with clearance. I use a roller cam button like yours but actually have to shim it out to get the endplay. down. I'm using a cast cover that someone produced a number of years ago. Awesome piece but they seem to have only made a limited run.