Description
These Offy flathead Ford heads are finned for high heat dissipation, bigger water capacity for “built” engines and everybody knows, nothing beats a full-dress flathead for beauty! Heads have a .400″ valve relief.3-5/16″ bore, 4″ stroke = 9:1 compression ratio
3-5/16″ bore, 3 3/4″ stroke = 8.6:1 compression ratio. Recommended spark plug: Autolite 216
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