This is new BTE powerglide mega band (extra wide) for use in ultra high horsepower applications such as nitrous, turbo, and blown motors or if you just want the best parts available for your powerglide. 

BTE POWERGLIDE WIDE BAND

This powerglide band is more than 25% wider than factory style  OEM bands, giving the band much more holding power when engaged. This is a very important upgrade for very high performance applications. The band is lined with a high performance high carbon lining.