SKU:32-7401
Fully programmable plug-in replacement for the 36-pin Delphi EFI controller with J1850 data bus, the Daytona Twin Tech TCFI Gen 4 EFI Controller delivers precise fuel management for Harley Davidson XL models from 2007 to 2013.
Dual-channel wide band exhaust gas oxygen sensor interface with two Bosch LSU 4.2 sensors provides accurate real-time data to help you fine-tune the air-fuel ratio for front and rear cylinders on both dyno testing and on-road riding.
Includes billet aluminum housing with a black finish, two Bosch LSU 4.2 sensors, and two 18 x 1.5mm weld nuts for exhaust pipe mounting. The unit supports full J1850 data bus communication for seamless integration with vehicle modules such as turn signal modules, security systems, and instrument clusters.
Quick auto-tuning of fuel curves for front and rear cylinders on dyno or on-road; robust alpha-N fuel control addresses issues associated with long-duration, high-overlap camshafts, making it suitable for high-performance builds.
Windows software provides programming and data analysis capabilities to customize fueling and monitor real-time data.
Not legal for sale or use in California or pollution-controlled vehicles.
Part number: 17401.
Fitment: Harley Davidson XL 2007, 2008, 2009, 2010, 2011, 2012, 2013.
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.Enhance your Harley Davidson XL motorcycle's performance with the Daytona Twin Tech TCFI Gen 4 EFI Controller. This advanced fuel injection management system features a billet aluminum housing with a sleek black finish, ensuring durability and a professional appearance. The controller includes a dual-channel wide band exhaust gas oxygen sensor interface, allowing precise monitoring of exhaust gases for optimal fuel adjustment. Equipped with two Bosch LSU 4.2 sensors, it provides accurate real-time data to help you fine-tune your engine for maximum efficiency and power.
The TCFI Gen 4 controller is designed for quick auto-tuning of fuel curves for both front and rear cylinders, whether on a dyno or during on-road riding. Its robust alpha-N fuel control system effectively eliminates issues associated with long-duration, high-overlap camshafts, making it suitable for high-performance builds. The system also supports full J1850 data bus communication, enabling seamless integration with turn signal modules, security systems, and instrument clusters. The included weld nuts facilitate easy installation on exhaust pipes, ensuring a secure fit.
The package includes two Bosch LSU 4.2 wide band exhaust gas oxygen sensors and two 18 x 1.5mm weld nuts for exhaust pipe mounting. For additional customization and data analysis, the TCFI Gen 4 features Windows software that allows you to program and monitor your fuel system with ease. Please note that this unit is not legal for sale or use in California or on pollution-controlled vehicles, complying with regional emissions regulations.
Designed specifically for Harley Davidson XL models from 2007 to 2013, this EFI controller delivers reliable performance and enhanced engine tuning capabilities. Whether you're upgrading for increased horsepower or improved fuel economy, the Daytona Twin Tech TCFI Gen 4 EFI Controller offers a comprehensive solution for serious riders and custom builders alike.
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