What are the recommended spark plugs for Aluminum GT 40 heads ?
J Jon Briggs Apr 23, 2009 #2 According to 2008 Ford motor Sport catalogue its the AGSF-32C spark plug. That's as long as its the X306/7 head.
According to 2008 Ford motor Sport catalogue its the AGSF-32C spark plug. That's as long as its the X306/7 head.
