70639 Billet Aluminum Serpentine Crank Pulley for use with HiPo Balancer

This is a stock diameter (5-3/4″)serpentine pulley designed for the Ford Racing Boss 302 and XEFM crate engines and other small block Fords when equipped with Hi-Po balancers and two row timing chain. The extra depth designed into the pulley eliminates the need for a separate crank pulley spacer. Finish is stealthy black anodized aluminum hardcoat which is then engraved “breezeautomotive.com”. Includes fasteners. Made in USA.