Sonnax flanged impeller hub GM-90-94G replaces worn or damaged hubs in GM 280mm LU (4L60-E) "VJCX" converters. These units have experienced higher-than-normal pump rotor failures. The added length of GM-90-94G increases the converter's overall height while maintaining the correct internal clearance. The added flange over the OE hub makes for an easier and stronger fix, especially for those converters that have been rebuilt multiple times.