Fits Ford E4OD/4R100 Transmission Friction Pack Module Raybestos® Powertrain Ford E4OD, 4R100 Clutch Pack® Module Late E4OD, 4R100 Without Mechanical Diode and a hardened forward clutch core to prevent tooth wear and tooth sharpening over time. RCP96-091 features 6 Low/Reverse Tan, 5 Direct 2nd Design Tan, 3 Overdrive Tan, 3 Coast Graphitic, 3 Intermediate High Energy, 4R100 Except with Diode, 4 Forward Hardened Core Tan Friction Clutch Plates.