DESCRIPTION Single Groove Long Water Pump Pulley --Fits Small Block Chevy 265 283 305 327 350 383 400 using a long water pump. --Diameter: 6 9/16" --Height: 2 1/4" --Bolt Pattern: 2 1/8" --Center Hole: 5/8" --Material: Aluminum Double Groove Crankshaft Pulley --Pulley diameter is 6 9/16". --Pulley is 2 3/4" tall. --Bolt pattern is 2 3/4". --Center hole is 1 1/8". --Machined from billet aluminum. Single Groove Power Steering Pump Pulley --Material: High-quality aluminum --Surface Finish: Polished --Design: Single groove pulley --Outside diameter: 5 3/4" --Center hole diameter: 5/8" --Pump style: Saginaw --Applications: For Chevrolet, Oldsmobile, Buick, Pontiac, and Cadillac vehicles pre-1984 keyway style power steering pumps (nut on the front). Specifically fits engines such as 26.
