You can request for a Tuning Calibration for your Holden Commodore 1999 - 2005 5.7 V8 306hp vehicle on our file service site.
These Tuning Calibrations always made in real time suited to your needs and cars maximum ability.
All our Tuning files are made with maximum precision and care to be efficient.
In this particular case, we can increase the power of your engine from 306 HP to 340 HP, 460 Torque to 500 Torque within a Stage1 Calibration package.