Im pretty sure if you put anything harley on your Raider it will just fall off. Be proud
Find an engraver and have him/her engrave SLAYER on it. Then when someone asks which model of Harley it is just point to horn cover.
There are more than coils under the left side. There are tip over valves and the fuel pressure regulator, too. It isn't as easy to clean up as the right side.
if it dont fall off you may start to see some oil leaks