DAYTONA TWIN TEC LLC Controller - '01 Twin Cam 17400

Precise fuel mapping is non-negotiable for any serious Twin Cam build. The DAYTONA TWIN TEC LLC Controller gives you real-time exhaust gas monitoring and programmable fuel injection control—eliminating guesswork and unlocking the full potential of your engine. Whether you're tuning for peak horsepower, drivability, or wide-open throttle consistency, this system puts the data in your hands.

Built on proven TCFI technology and made in the USA, this controller includes dual wide-band oxygen sensors, intuitive PC tuning software, and support for factory security modules—making it the go-to choice for serious builders who demand reliability and precision in one complete package.

• TCFI plug-in fuel injection controller
• Dual-channel wide-band interface (WEGO IIID)
• Two Bosch LSU 4.2 O2 sensors
• USB PC interface included
• 3-D graphing tuning software
• Spreadsheet cell editing
• Programmable inputs/outputs
• Factory security module compatible
• Two exhaust weld nuts
• Made in USA