TCFI Gen 4 EFI Controller

Daytona Twin Tec TCFI Gen 4 Auto Tune fuel injection controller is fully programmable plug in replacement for the 36 pin Delphi controller with J1850 data bus.

Includes TCFI Gen 4 plug-in fuel injection controller with billet aluminum housing with black finish, 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.

Quickly auto-tune fuel curves for front and rear cylinders on a dyno or on-road.

The rubust alpha-N fuel control eliminates problems with long duration/high overlap camshafts.

Windows software provides custom programming and data analysis.

Its full support for J1850 data bus used for communications with turn signal/security module and instrument cluster.

*NOTE: Not legal for sale or use in California or on pollution controlled vehicles.