How about the Siemens 60lb injectors for both N/A and boost? I am only going to be N/A for a short time, just long enough to break in the engine and get some baseline numbers.

The 60lb injectors(@3 bar - 43.5PSI) are good for up to crank 800hp at our 58PSI(4 bar). I don't think I will make more power than that.

There are also bigger high imp injectors like these: Racetronix 01D129xFM Injector

Those are good for up to 1000 crank HP.