4.5T 70mm Coupling (in lieu of 3.5T 50mm Coupling)
Electric Brake Controller Dexter DX2 (pendulum type)
Drop Axles 2-1/2" or 4"
Galvanized Rocker Roller Springs in lieu std
Weld Flanges then Galvanize axles in lieu black
Weld Flanges to axles only
Axle assembly (if required)
Std Kit is Derated to 3.5T using the 50mm Electric Coupling. This is rated Maximum Towing Capacity of a std 50mm Towball and 50mm 3.5T Electric Brake Coupling.
All other Coupling options rate this Kit to 4.0T