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Old 04-20-2017, 04:55 PM   #36
hiperfauto
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Join Date: Nov 2011
Location: So Cal
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There are heads with big valves and no injector ports. I wasn't aware they existed until recently when I sorted through my collection and found a couple of them.

Most people use a 7/8" welch plug to seal the injector ports. IPD evens sells them for this purpose.

https://www.ipdusa.com/products/6542...-plug-7-8-inch
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