POWERGLIDE SUPER BAND ATI's Super Band is a performance replacement band for the Powerglide low gear band which plays a critical role in high performance transmission operation. The band is a completely new core made of investment casted steel with no used components. It offers 21% more clamping area over a stock band for more effective holding. The band's superior lining is made of heavy-duty Premium Competition Friction Lining to ensure high performance and longevity. It is recommended for use with all popular dual ring servos.