Milodon designed this 16235 Water Pump for 1970-1979 Small Block Ford 351C & 400 engines. This high volume aluminum pump features better coolant flow of up to 30% to help prevent hot spots and steam pockets and improve coolant flow through the radiator. A nonrestrictive, high flow thermostat is highly recommended. This pump is engineered for maximum cooling performance and reliability, and is a direct factory replacement equipped with all hose connections and bosses. All Milodon Performance water pumps are protected by Milodon's 100% satisfaction guarantee! Milodon 16235 Water Pump Features: For 1970-1979 Small Block Ford 351C & 400 engines Pump Type: Mechanical Pump Material: Aluminum Pump Color: Natural Water Pump Rotation: Standard Pump Flow: High Volume Pilot Diameter: 0.625 in. Water Pump Inlet Diameter: 1.750 in. Quantity: Sold Individually Milodon specializes in racing oil pans, and offers a wide selection of other parts, as well. Oil pumps, gear drives, water pumps, thermostats, valves, timing covers, and main caps are all offered with the Milodon quality name. Milodon – American Quality Since 1957!