Feature●Part number: 81120●Package Weight: 1.5 pounds●Oem equivalent part number: 81120●Package Dimensions: 9.16 L x 4.09 H x 7.34 W (inches)Description Crankshaft Pulley - V-Belt - 1 Groove - 6-7/16 in Diameter - Billet Aluminum - Polished - Short Water Pump - Small Block Chevy - Each