Fits 1955-1968 283-350 V8 Small Block Chevy engine, Includes upper and lower single groove pulley for short water pump, Sitting flat on the workbench, the pulley is 2-3/4" high in the center at the water pump, Upper: 7-1/8" Diameter, Lower: 6-3/4" Diameter, Chrome-plated finish for added style and flash.
