416 Stroker Kit Question

The car will mainly be street driven with the occasional trip down the track. I don't plan to make more than 400 - 450 horsepower. Do you think all of this is still necessary for a street engine. I know it would be best case scenario.

I may should have posted this in the Small Block Tech forum. That was my fault as I may be misleading as to what my intentions are for the engine. I do appreciate everyone's help.