318 cylinder head

[Unconventional]

Not to get too excited. Tap 1/4" 20 allen headed set screws into the 3/16" holes below the exhaust ports, simple thats it.

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Edit: Assembled on to a 1969 stock spec 318 short block, the good 9.2:1 cr factory engine.

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Did similar to a Couple Windsor MoFoCos back in the day. Pretty much a necessity to add headers. Header flanges covered the little plugs like they never even existed