
We have had many requests to sell just the special clutch used in our ssd-002 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 92 thru 99-1/2 6.5 flange mount 4 bolt water pump shaft in C/K trucks and vans with serpentine belt CCW drive.