JB4 Replacement and Upgrade Chips Vehicle Selection:N55 PWG 2431 Port Injection Driver Chip your intercooler pressure drop is

your intercooler pressure drop is reduced and cooling dramatically improved

Good for over 1000whp the BMS 7

and sending unit included

150whp* (Rated for 975whp on 100% E85) and is ready to grow with you as your needs demand

JB4 Replacement and Upgrade Chips Vehicle Selection:N55 PWG 2431 Port Injection Driver Chip your intercooler pressure drop isDescription JB4 Replacement and Upgrade Chips The replaceable 2580 master chip controls the communications between the JB4 and your BMS data cable or JB4 Smart Phone Wireless Connect Kit as well as the model specific firmware. If unable to connect to the JB4 try replacing this first as often it's the culprit. Be sure to specify which firmware you need in the drop down for the chip to work properly with your model. We also have 2431 and 24K22 port