Performance online disc brake conversion kit

I’m the meantime, here’s some pics of install
They’ve been boxed wrong before. There was a thread on this forum about it somewhere. Even if you just measure from the jam nut back to the LCA that would work. I can do the same on my car and compare. They may not be exact, but they should be close at least.
ok just measured from jam nut to end of the hex flat on the bar and I have 15”.

37A70303-D6CC-45C8-B74D-C43C5B716342.jpeg

E97D7485-34FA-4437-A5F6-C2834FAFB805.jpeg