Description: Fits All Sb Chevy Engines When Using A Short Water Pump Fits SB Chevy 265 283 305 327 350 383 400 Using A Short Water Pump Pulley Diameter Is 6 9/16" Pulley is 3/4" Tall Bolt Pattern is 2 3/4" Center Hole is 1 1/8" Machined From Billet Aluminum These Feature Deep Grooves To Prevent Belts From Slipping
