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Old Nov 5, 2007 | 08:30 PM
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jfleye
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Default bb head help
I have a casting code of 3993820 and need the right head. Are there any other heads that will match the left head? These are on a '77 454.
Iknow zilch about heads or what will work but I have had no luck finding the 820 in Oklahoma. Thanks
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Old Nov 5, 2007 | 09:45 PM
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Sorry misread the 820, getting to old. Ironcross is right on.
Last edited by trw; Nov 5, 2007 at 09:50 PM.
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Old Nov 5, 2007 | 09:45 PM
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"820`s" are 1971-84 454 oval port 113 cc heads. Should be everywhere as it fits passemger cars and light pickups through all those years.
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