I'm selling a set of 60lb montron with a turbotweak chip made for the injectors. the injectors are new and never installed, the chip comes with the paper work. this chip is version 5.6 you can select a parameter and ajust it. ajust timing and fuel. from -20% to +20% WOTfuel, -9to +9 spark timing. I'm asking $335.00 plus shipping. if you need more info let me know.