1990 Chevrolet C60 Kodiak Engine: 6.0L V8; Standard Rotation; Severe Duty Thermal Fan Clutch; w/ 6 Bolt Mounting Holes; Marked NG or NF;. 1990 Chevrolet C60 Kodiak Engine: 7.0L V8; Standard Rotation; Severe Duty Thermal Fan Clutch; w/ 6 Bolt Mounting Holes; Marked NG or NF;.
