Do all of them have the hole drilled under the exhaust port for the smog crap. Thanks. Kim
587 heads
- Thread starter oldkimmer
- Start date
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SSG_Karg
Enhanced member
No. My 587 heads are from a ‘73 340. No smog port
abdywgn
dismantler
mine don't
PRH
Well-Known Member
It only takes a few minutes with a tap to remedy that situation.
Thanks guys, I was just curious as I have a set that are not drilled. I never even thought to look at the date codes. Kim
These are from a 73. 340. I don’t need the smog ports, I was just seeking info. Thanks. Kim
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