Installation instructions:
The bolt circle is as follows 7.875" +/- .002" (200.03mm +/- .05mm).
The flywheel is a stepped flywheel and the step is .100" +/- .001" (2.54mm +/- .025mm).
The O.D. of this step needs to be 7.356" +/- .001"(186.84mm +/- .025mm).
We have a cad drawing of the bolt circle if you want to make your own flywheel.