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Old 09-26-2006, 01:48 PM   #1
jamesi20
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Head Info

can someone tell me what these heads are? the numbers on them are:
3970126
K279
GM M12
Thanks
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Old 09-26-2006, 02:03 PM   #2
70rs/ss
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Re: Head Info

3970126....67-71...327/350

and the K/27/9 means they were built in 11/27/69 (cast that is) Probably a 350 by 69 but check the bores if you have the block, either way the heads will be OK, but not great.
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