Description: 100% Brand new,never been used Professional installation in highly recommended(No instruction included) Short Water Pump Pulley: Pulley Style: V-Belt Pulley Design: Plain Groove Quantity: 2 Water Pump Style: Short Water Pump Shaft: 5/8" Bolt Hole Quantity: 4 Pulley Material: Steel Outside Diameter: 6.25" Under Drive: No Overdrive: No Nose Cover: Not Included Hardware: Not Included Short Water Pump Crankshaft Pulley: Pulley Style: V-Belt Groove Quantity: 2 Water Pump Style: Short Bolt Hole Quantity: 3 Pulley Material: Steel Outside Diameter: 7.3" Under Drive: No Overdrive: No Nose Cover: Not Included Hardware: Not Included Fitment: Fits Small Block Chevy Short Water Pump Engines. Chevrolet Small Block V8 GEN. I 4.3 L / 262 ci 4.3 L / 265 ci 4.4 L / 267 ci 4.6.