where to custom make threaded ride height adjusters

[Vigilant]

Do you guys know where i can custom make those threaded spring ride height thingy. See attached pictures for example.

 

[es2611]

dear sir, for which car?
a friend of mine bought it from GAB adjustable rear spring seat for his set of lowering springs.
take note that the size should be the same.

 

[kayour]

heard that titan can custom for any car
u can try