The Ford Barn - View Single Post - NORS Cast Iron Flathead Cylinder Heads

Terry,OH · 03-30-2024, 07:31 AM

Looks like FOS and FOT are Wohlert part numbers. These letters can be found on in service heads and owners often wonder what they mean and what company made the heads.

03-30-2024, 07:31 AM	#9
Terry,OH Senior Member Join Date: May 2010 Posts: 4,769	Re: NORS Cast Iron Flathead Cylinder Heads - Wohlert Looks like FOS and FOT are Wohlert part numbers. These letters can be found on in service heads and owners often wonder what they mean and what company made the heads.