• Custom-Built E40D and 4R100 Transmissions.
  • Torque Converter Lock-Up Enhancement for 4R100.
  • Larger Capacity Fuel Tanks and Fuel Systems.
  • Diesel Engine Performance Upgrades.
  • Fuel Injectors
  • Turbos
  • And Much more. . . .

Stock Converter (click for larger image)

Stock Planetary Gears / Replacement Gears

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Stock Aluminum Tail Housing verses the steel house we use.