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We have had many requests to sell just the special clutch used in our ssd-022 Fan Upgrade kit, so here it is!
This clutch engages earlier then stock and is a Heavy Duty Clutch MADE IN USA. It is designed to adapt the Duramax HD fan blade to a 99-1/2 thru 2005 6.5 diesel "screw-on" type water pump shaft in C/K trucks and vans with serpentine belt CCW drive.
MAY ALSO BE USED AS A REPLACEMENT WITH OUR SSD-8663 WHEN USED ON 99.5+ VEHICLES.