Quote:
Originally Posted by mgarblik
If you end up with KRE heads , be advised you will need to helicoil all the fastener holes. For some reason, they don't use them at all in any location. I do the intake and exhaust manifold holes, rocker arm studs, valve cover rail and the front accessory attachment holes. Other than that, they are nice heads.
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What is the issue with fastner holes?? I cant say Ive heard this mentioned. Not a small project.
Thanks for the lwad on the 6x heads