Description: 100% brand new, Never been tried or installed. Type:Crankshaft Pulley Finish: Black Pulley Style: V-Belt Groove Quantity: 3 Water Pump Style: Long Bolt Hole Quantity: 3 Pulley Material: Steel Outside Diameter: 7.800" Professional Installation is Highly Recommended Package Includes: 1 x Crankshaft Pulley As shown in the picture above Fitment: For any SB Chevy Engine when using a LONG water pump .