http://www.***boat.com/forums/attach...1&d=1171195362
As u can see in the diagram, there is in fact an adapter you need to get to wire it to your distributor. As shown in the diagram, it is part number 8860...I have circled it in the diagram in red for ya.
This diagram is straight from the MSD Wiring Diagrams and Tech Notes book. Hope this helps.