WHAT I NEED TO UPGRADE MY FUEL SYSTEM?
i run 0.9 BAR ( read on pfc)
100 octane

SUPRA FUEL PUMP?

SIZE INJECTOR ? ( plug in)

what else?

thanks

my mods

PFC base map (fd3s4)
Hks down pipe
blitz nur spec r
hks twin power
efini y pipe
mazdaspeed smic intercooler
99 air duct with K&N stock air box

 

You are new so I will help you. This has been discussed in far too much detail. Please utilize this function(it is located on the upper right of the main page it is labeled "search"):
https://www.rx7club.com/search.php?do=process

 

I agree. The search function will be your best friend, but to answer your question, you can start by looking here. You can get fuel pumps, injectors, rails, etc...

1. http://www.rx7store.net/category_s/93.htm
2. http://www.gothamracing.com/catalog/...00_443_107_425

Just some places to start

 

^^ Ditto I purchased my kit from Jason at RX7store.net and he has always been a big help.