I received my SFI damper from BHJ. The pulley between the crank trigger will be turned down and the center used. It was cheaper and easier than making it from scratch. I need to make a spacer from the damper to the crank trigger. They sent me a "slip fit" hub for mock up for free.

Attached Images
damper specs resize.jpg (360.81 KB, 151 downloads)
damper stack 1 resize.jpg (266.77 KB, 152 downloads)
damper stack 4 resive.jpg (388.79 KB, 127 downloads)