Currently looking at using two sets of Honda VFR800 quad throttles on my 4V Toyota Hemi V8, however I have some concerns around injector sizing. It is very difficult to get any accurate sort of info on injector size as no one seems to upgrade them at all. What I have been able to find so far is that a supercharger kit for the bike runs 175rwhp with only increased base fuel pressure, presuming around 60psi compared to standard of 50psi. I also found the following picture from someone who had their injectors cleaned.

From the part number number I have tracked them down to being these –

Sourced from http://www.witchhunter.com/ who also noted this type of injector is shared with some WRX’s so thats a possible source for upgrades if required. What concerns me though is the flow rating, 255cc is higher than what 1UZ injectors are rated at. So have I found the right injectors or not? They are using 4 to feed an 800cc engine which seems like a hell of a lot of fuel going in there, even at 12,000 rpm. However when I look into other bikes they seem to be running fairly similar sizes?
I am expecting to run similar horsepower to a 1UZ so just want to ensure I can avoid having to upgrade injectors if possible. If I do end up having to upgrade though where would I find dimensions of the injector in order to research possible replacements? Also trying to find if it is easy to source injector wiring plugs for these, many of the sets I am looking at are missing the wiring.

Callum