It looks like the reason why they list that particular kit is because it appears to have the helmet lock. I'd imagine this could work on a SS, but you'll have an extra part you wont need.
This one is probably more correct for your application:
https://st-paul-harley-davidson-buel...3aa42b41&_ss=r
Like lunatic mentioned, you probably don't need the whole kit. However, all around great guy , purpony is selling a used one on here.
https://www.buellxb.com/forum/showth...l=1#post613347