Description
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Thermactor plugs are used to plug off air passages found in small block Ford cylinder heads and are also used to reduce the thread size in the head when using the factory accessory drive brackets on the front of the engine. Made from Steel and are black zinc plated.
» Sold individually
» 5/8-11 Male Threads
» 7/16-14 Female Threads
» Made from Steel and Black Zinc Plated
» Emissions legal heads will have 2 air ports in them (1 front 1 rear)
Installs 20 minutes or less
1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Ford Mustang F150 Thunderbird
5.0 302 5.8 351 Small Block Ford
Vehicle Fitment
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