Description: 100% Brand new,never been used Professional installation in highly recommended(No instruction included) Double-Groove Long Water Pump Pulley: Pulley Style -V-Belt Pulley Design - Plain Groove Quantity - 2 Water Pump Style - Long Water Pump Shaft - 5/8" Bolt Hole Quantity - 4 Pulley Material - Steel Outside Diameter - 6.25" Underdrive - No Overdrive - No Nose Cover - Not Included Hardware - Not Included Quantity - Sold Individually .