Power gains of up to 75hp on a stock vehicle without the risks of flashing!
The JB4 is the most advanced and highly featured tuning system available for your 2022+ Toyota Land Cruiser 3.4L. Power gains are up to 60hp to the wheels (75hp crank) on a completely stock car on pump gas, gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher.
The JB4 features a simple plug and play installation harness for easy installation & removal and includes many features not found with any other tune. Including on the fly in dash map switching between factory and various performance maps, boost limiting by gear for improved traction in lower gears, built-in data logging, built-in code reading, and much more.
Remember the JB4 does not require any additional modifications or previous stages. Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience. The JB4 also does not require any user setup or customization but for those who are interested in logging, adding new features as we post them, changing maps, etc, we suggest the BMS DATA cable or the bluetooth mobile phone adapter.
