John may have original unit...
I too did not wrap the spring, does not squeak so why bother?
I used flat washer and lock nut on gold car and also modified the mounting with third bracket. This car pictured has original style but it's not home yet to picture, finding original hardware is like finding a Unicorn. This part may not be but for the most part you may be knocking yourself out for nothing....
Use what works, that is what they did in the 60's
