icanfixall
Official GMM hand model
Just surfing tody and I find this.http://www.dieselfiltersonline.com/Zd9-Ford-7-3-Liter-Diesel-Motorcraft-Glow-Plug-Zd9.aspx
Are these the right ones?
http://www.fleetsource.com/176399_Borg_Warner_BERU_Glow_Plug_1983_1986_p/176399.htm