387” W2 Stroker, What should I upgrade next?

Yeah that’s what I figured- I’m slightly underwhelmed. Looking for mid low 11s but in any event, I feel it should be considerably faster than it is
Cam - Solid in the mid 250@050
Single plane, the strip dominator from Holley or MP-M1 will do very well. Certainly the header should increase to 1-7/8. I would also run the exhaust tubes the same size as the collector
Increase the gear ratio. 4.30-4.56 on 28” diameter tires