"270º/274º @ .050" .704"/.660" 108º LSA/ installed 104º"

I remembered discussing cams one other time so, I searched for my
recommendation. I'll stick to it but add 4º to exhaust lobe if you're
going to put the N2o to it.

I'd also use a header with 1 7/8" primaries.

Let's see a picture of that thing.