For 1987-1995 Chevrolet G30 Engine Cooling Fan Clutch 4 Seasons. 1987 Chevrolet G30 Engine: 4.3L V6; Reverse Rotation; Optional Standard Duty Thermal Fan Clutch;. 1987 Chevrolet G30 Engine: 5.7L V8; Reverse Rotation; Optional Standard Duty Thermal Fan Clutch; Fan Mounting Holes are 10 mm.;.
