1987 GMC V1500 Suburban Engine: 5.7L V8; Standard Rotation|Heavy Duty Thermal Fan Clutch|Optional Heavy Duty Thermal Fan Clutch|OE Fan Clutch Height;. 1988 GMC V1500 Suburban Engine: 5.7L V8; Standard Rotation|Heavy Duty Thermal Fan Clutch|Optional Heavy Duty Thermal Fan Clutch|OE Fan Clutch Height;.
