Quote:
Originally Posted by Lhead
Approx what dia are you opening up to and are you doing all the small holes or just the rear
Thanks
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You will need to place them on your heads to confirm the needed size. All aftermarket heads are different, so there isn't one set hole size.
Ronnie suggested using a small ball peen hammer and LIGHTLY tap the gasket around the corresponding hole in the head. This will give you a guide.