The Dynojet Power Commander V (PC V) is a ‘piggyback’ styled fuel tuner which installs and remains connected to your vehicle at all times. The size is less than half the size of the Power Commander III USB and is now powered directly from the USB port on your computer. The PC V has a -100/+250% fuel change range (up from -100/+100%) which allows for more adjustment range for 8 injector sport bikes. With gear position input connected the PC V is capable of allowing each cylinder to be mapped individually and for each gear (for example: on a 4 cylinder bike with a six speed transmission there could be up to 24 separate fuel tables).