Quickly auto-tune fuel curves for front and rear cylinders on a dyno or on-road with new WEGO IIID dual channel wide-band oxygen sensor interface. Robust alpha-N (throttle position and RPM based) fuel control eliminates problems with long duration/high overlap camshafts. Extended data logging and diagnostics. Data flash memory stores full 60 minutes of operating at 10 samples per second. Programmable user input for functions such as two stage RPM limiter, nitrous retard, and shift kill. Programmable user output for functions such as shift light, nitrous activation, and electric shifter. Powerful Windows software for custom programming and data analysis. Billet aluminum housing with black anodized finish. Fully programmable plug-in replacement. Easy plug-in installation. Requires a qualified technician to install..