The fuel pump is good for 400hp. It also comes with a kit for S13. But, modification may still be needed.
$79obo.
A set of 4 USDM STi side-feed yellow top injectors. They are bolt-ons for SR20DET, KA24DE. (You need to mod your stock wire plugs). They are flow tested to be 530cc exact, but rated 550cc.
$325obo (I will mod the wire plugs for you)
Both items are used for about 10000km.
PM me if you are interested. All the items are located in Calgary.