Don't let your old flathead boil over – keep it running cool with new thermostats from Speedway. These thermostats sit in the water outlets on the top of the head, with the hose coming down over the water outlets, holding the thermostats in place. Remember, every flathead needs two of these!
- OEM replacement
- Two thermostats required for each engine
- Available in 160° F or 180° F
- Fits 1949-1953 Ford and Mercury flathead V8s
Learn more about the importance of the thermostat with cooling systems and how they work by reading our tech article. Cooling System Principles.