TCI Steel forward Clutch Hub GM TH400/4L80E HSMED11 This number should be between

This number should be between 2

Features front sealed bezel design for added water resistance and UV protected paint on dial pointer for added protection against sun damage

2-1/4 in Wide

486 in Knurl

TCI Steel forward Clutch Hub GM TH400/4L80E HSMED11 This number should be betweenForged Steel Clutch Hub for TH400 4L80E.. This CNC Machined Forged Steel Clutch Hub for TH400 4L80E is designed to handle 500+ HP. Construction is stronger than case OE unit and will resist fracturing, clutch tooth wear and spline failures Stronger than OE Unit. Stronger than OE Unit. You've invested in horsepower. Now get it all to the ground with TCI. TCI's track tested Transmissions, torque converters and components can turn that muscle into rear