Upgrade your ECU with a eprom that has the added fuel and ignition maps along with other safety checks to maximize the mods that you've invested in..
We have either upgraded and/or socketed hundreds of 300zx ECUs.. From Ireland to Costa Rica, Canada and more.
Cost for a upgraded Eprom is only $60 and that's shipped Cost to socket and add eprom to your ECU is $120 and that doesn't include the cost of shipping for your ECU..
