Rear axle plates descents for Harley Davidson

The rear axle plates reduced are raw molten steel and have 3/8 "-18 UNC for the assembly of the fender support and the backing of the backrest and 3/8" -24 UNF for Big Twin Axis Adjusters 1936-1972. 
The 1/2 "motorcycle lower (38mm). 
Axis supports accept 3/4 "axes, the supports will need to add material to fit firmly in the rectangular tube of the oscillating arm. 
It is recommended to weld plugs from the sides too. 
Use the axis and spacers or a 3/4 "threaded rod for alignment purposes. 
Welding and manufacturing for installation are required. Cort the original rectangular oscillating arm to the desired length. 
The manufacturer must cut the oscillating arm and re -weld the descent axis plates in place and verify the free space of the fender.
For FX and FL Big Twin 1973-1984 and Sportster XL 1979-2022
Rear axle plates welded in raw steel, torque