8L90E All Three G3 Power Packs with Kolene Performance Steels Alto Numbers 224756 224757 and 224758 2014-On. For C3, C4 and C5 Clutch Sets with Performance Steels. Adds one extra clutch to each Power Pack.
Performance Steels start with standard Kolene and then run through our proprietary process of polishing to lower and reduce the range of the Ra value. The Performance Steel improves shifts while maintaining the enhanced wear and fatigue resistance imparted by the Kolene process.