The offset of the primary is different than a standard soft tail do a Rocker is best.
If you get stuck I think my old primary is at my friends house. It is a grey one rom a 2008 Rocker. I can see if he would ship it to you..i moved away from there and left it with him.

 

I'm mostly in need of transmission than primary.
Have thought of buying an open primary from Exile cycles...

Man I loved your rocker and it was one of the best that i've seen and in your sig, it says as sold