Description: 100% Brand new,never been used Professional installation in highly recommended(No instruction included) Water Pump Pulley: Pulley Style: V-Belt Pulley Design: Plain Groove Quantity: 1 Water Pump Style: Short Water Pump Shaft: 5/8" Bolt Hole Quantity: 4 Pulley Material: Steel Outside Diameter: 7.100" Under Drive: No Overdrive: No Nose Cover: Not Included Hardware: Not Included .