Quote:
Originally Posted by Jim Caughlin
If you plan to run the AFR head in SS, get your checkbook out, the heads as delivered have too large of valves. You need to remove all of the seats and weld up the head so you can install the smaller seats to match the smaller valves, then report them to match, not a small or inexpensive undertaking.
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You can contact AFR and check if they will supply a “ porters casting” I think they rough in the ports and install the valve guides , possibly install the seats but i’m not sure.They did offer a head with the correct seats for the 289 combination, but that stopped a few years ago.