Small Block Chevy Alum. Long Pump Double Groove Upper Pulley

Cast aluminum double groove V-belt upper pulley for 69-85 Small Block Chevy long style water pumps. Fits over 5/8" water pump snout, but can be drilled out to 3/4" if needed. Precision machined aluminum construction. Lightweight and strong. Two grooves for V-belts. Hub surface to first groove center: 2.415" Center-to-center of grooves:  11/16" Center hole fits a 5/8" shaft (can be drilled out to 3/4" if needed) Diameter:  6-5/8" It may be necessary to shim either or both of the pulleys to achieve perfect belt alignment. There are variances between manufacturers of both water pumps and pulleys. Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump. Item DetailsDouble Groove, 6-5/8" Diameter

Specifications

Brand: Speedway Motors
Manufacturer Part Number: 91015476
Assembled Product Dimensions (L x W x H): 7.00 x 7.00 x 3.00 Inches