I have an h22a in my hb and i was wondering y my fuel cuts off at 120 i heard it was because of my ecu i was wondering if its true

 

https://honda-tech.com/zero...16287

Looks like they do.

 

You can get a apexi rev/speed meter wich has some nice features on it to remove it.But you shouldnt really need it unless you got some crazy hp that goes over 120 in the 1/4. 120 on public streets= . Be safe.