Replacement Control Board
N54 JB4 G5 Replacement Board & Enclosure
VW JB1 to JB4 Upgrade Kit
Q50/Q60 Stage1 to JB4 Upgrade Kit
Mercedes-Benz Stage1 to JB4 Upgrade Kit
Lexus Stage1->JB4 Upgrade Kit
JB4 N54 Wiring Extras
JB4 AntiLag (Anti-Lag) kit for BMW N54
JB4 Replacement and Upgrade Chips
N55 PWG Updated 2431 Driver Chip for Port Injection Integration
JB4 Bluetooth Wireless Phone/Tablet Connect Kit Rev 3.7 (Pinned Power Wire, most new JB4s)
JB4 Bluetooth Wireless Phone/Tablet Connect Kit Rev 3.7 (Separate Power Wire, N54 & pre-2017 JB4 systems only)