Quickly auto-tune fuel curves for front and rear cylinders on a dyno or on-road with WEGO IIID dual channel wide-band oxygen sensor interface Fully programmable plug-in replacement for 36 pin Delphi controller with J1850 data bus Robust alpha-N (throttle position and RPM based) fuel control eliminates problems with long duration/high overlap camshafts Powerful Windows software for custom programming and data analysis Extended data logging and diagnostics DataFLASH memory stores full 60 minutes of operating data at 10 samples/second Programmable user input and output (not available in TCFI EX version) Billet aluminum housing with black anodized finish Easy plug-in installation Supports all sensors including theft/security module 3-year limited manufacturer's warranty Includes TCFI EX plug-in fuel injection controller, USB interface for PC link, software, WEGO EX dual channel wide-band exhaust gas oxygen sensor interface, two Bosch LSU 4.2 wide-band exhaust gas oxygen sensors, and two 18 x 1.5mm weld nuts for exhaust pipes 50 states street legal (ARB E.O. No. D-641-5)