1968 Chevrolet K10 Suburban Engine: 6.5L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;. 1969 Chevrolet K10 Suburban Engine: 6.5L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;. 1970 Chevrolet K10 Suburban Engine: 6.6L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;.
