Thread: Source for 5/8"-11 plugs for AFR-185 heat pump holes?
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Old 10-06-2012, 12:54 PM
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Aren't these an OEM Ford part used on the 5.0 heads. I had to get them for use on my World products heads. The heads are then essentially plugged on then both ends the threaded inserts are internally threaded and allow accesory bolts to be used. Otherwise the heat tubes that are part of the OEM emission system use a hollow banjo bolt that screws into them on the firewall end with one of the mentioned plugs at the front of each head, allowing for accessories to be attached at the same time.
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