In my Alfetta Sedan I use a Volvo 850-S70 non turbo spark plug in place of the Lodge. It looks exactly like the Beru that dan67 shows. I can't use the normal NGK,Bosch or Champion because my valves want to take off the electrode when they open.
Hmmm.... maybe the valves are too big
The meek shall inherit the rear view mirror.
87 Milano Gold
88 Milano Verde
77 Alfetta sedan
79 Alfetta GTV(smooshed and ground up)