Description:Fits All Bb Chevy Engines When Using A Short Water PumpFits Bb Chevy 396 427 454 472 502 Using A Short Water PumpPulley Diameter Is 6 7/16"Pulley Is 2 1/8" TallBolt Pattern Is 2 3/4" Center Hole Is 1 1/8"Machined From Billet AluminumThese Feature Deep Grooves To Prevent Belts From Slipping
