1961 Chevrolet C20 Pickup Engine: 4.6L V8; Standard Rotation; Standard Duty Thermal Fan Clutch;. 1962 Chevrolet C20 Pickup Engine: 4.6L V8; Standard Rotation; Standard Duty Thermal Fan Clutch;. 1963 Chevrolet C20 Pickup Standard Rotation; Standard Duty Thermal Fan Clutch;.
