Reproduction concours correct premium thermostat for the 351C. This is the correct thermostat you would use in conjunction with the new concourse restrictor / by-pass plate on 70 - 73 Cougars and Mustangs equipped with a 351 Cleveland engine.
Cougar Applications:
1970 Mercury Cougar
1971 Mercury Cougar
1972 Mercury Cougar
1973 Mercury Cougar
Mustang Applications:
1970 Ford Mustang
1971 Ford Mustang
1972 Ford Mustang
1973 Ford Mustang
