GM LS Gen III/IV Series Edelbrock, Stewart, PRW Water Pump Supercharger Pulley Girdle Kit for GM 8 bolt hub, Includes Girdle, Fasteners & Threadlocker, 6061 Billet Aluminum ?ÿFits Chevy GM LS Gen III/IV Series Edelbrock, Stewart, and PRW Water Pumps with GM 8-Bolt Hub ?ÿ PRW now has the answer to strengthen your LS Water Pump Pulley for Supercharged LS Engines! Our Pulley Girdle Kit will bolt on to aftermarket 8-bolt hubs to brace your pulley for supercharged applications. Made of 6061 Billet Aluminum and will include 4 fasteners and thread locker. ?ÿ ?ÿ