11. This is the stock connector for an MSD ignition between the distributor and a 6AL ignition box. If you plan to remove the stock connectors and install weatherpack connectors for greater resistance to moisture from both the racetrack and the car wash, make sure to pay attention when configuring your connectors. Notice that the black and purple striped wire on one side does not mate to the purple wire on the other side. Reversing the wires will advance your timing up to 30 degrees or more, which will cause damaging engine detonation.