Water pump pulley 1 sheave, about 6.11 inches. When measured from the front of the water pump hub (or inside of the pulley) to the center line of the belt sheave the measurement is 2 inches. Application include 1967 Cougar with 289. 1969 Cougar and Mustang with 390-4V. Also various Mustangs 1965-67, all with 289.
Replaces Ford casting number C5OE-8509-A.