Ford C6/E4OD/4R100 Transmission Heavy Duty Front Hub To Ring Gear Snap Ring Superior SuperTuff Froward Clutch hub snap ring fits all C-6/E4OD/4R100 forward clutch hub/front bearing hub. This is similar to the ever popular #K0105 (5R55W/N/S forward hub snap ring) and is extra thick and wide to control breakage after repair. Last thing you want is to tow it in just after you rebuilt it! IF you need any other parts for your E4OD/4R100 Transmission rebuild; Solenoid Pack, Rebuild Kit, Shift Kits, Etc. please see our store