1982 GMC Jimmy 6.2L V8. 1983-1984 GMC Jimmy 6.2L V8. Notes:Severe Duty Thermal Fan Clutch With 4 Bolt Fan Clutch. 1985-1991 GMC Jimmy 6.2L V8. Notes: Engine Cooling Fan Clutch -- Standard Rotation. Notes:Severe Duty Thermal Fan Clutch Fan Mounting Holes are 5/16".