Chevy Chevy II Fan Clutch

Chevrolet Nova II - Fan Clutch

"HAYDEN FAN CLUTCH -- Standard-Duty Thermal Design, Standard Rotation, 7.23 in. Overall Diameter, 0.75 in. Pilot Diameter, 1.75 in. Fan Mount Height, 3.00 in. Fan Bolt Circle, 5/16-18 Hole 4 Bolt And Nut Threads, Varies The Fan Speed With Temperature Of The Air Behind The Radiator, Engaged High Speed Operation Provides Maximum Cooling, Disengaged Low Speed Operation Provides Fuel Savings And Noise Reduction, Offers Greater Life Expectancy Than A Non-Thermal Clutch, Briefly Engaged At Cold Start-Up, Engages At About 170 Degrees Radiator Air Temperature About 30 Degrees Lower Than Coolant Temperature, With Hayden's Limited 1-Year Warranty"

• Brand: Hayden

Chevrolet Nova II - Fan Clutch

"FAN CLUTCH, NON THERMAL -- Always Engaged, Low Cost Alternative To Standard Thermal Clutches, Restore Your Vehicles Cooling Efficiency, Helps Reduce The Drain Of Engine Horsepower"

• Brand: Hayden

Chevrolet Nova II - Fan Clutch

"FLEXALITE STANDARD THERMAL FAN CLUTCH -- Engages At 60 To 70 Percent And Disengages At 20 To 30 Percent Of Water Pump Pulley Speed To Provide Cooling Only When Needed, Rotates In Clockwise Direction, With Manufacturer's Limited 1-Year Warranty"

• Brand: Flexalite