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Daytona Twin Tec TCFI-4 Auto-Tuning Fuel Injection Kit

Item: 387871

$1314.95

Select Your Vehicle - Fitment Guaranteed

Daytona Twin Tec TCFI-4 Auto-Tuning Fuel Injection Kit


  • Offers real-time and continuous auto-tuning with monitoring, control and override capability
  • Utilizes high end Alpha-N fuel control to eliminate any dependence on manifold pressure; unaffected by long duration and high overlap camshafts
  • Programmable user outputs for functions such as shift light, nitrous activation and electric shifter
  • Supports all sensors including theft and security module
  • User-friendly PC Link software with 3-D graphics and easy spreadsheet editing capabilities for quick cell block changes
  • Built in data logging that helps you diagnose real world problems
  • Easy to install by simply replacing stock ECM and O2 sensors with those included in kit; detailed instructions included
  • Kit includes TCFI plug in fuel injection controller, USB interface for PC, software, WEGO IID dual channel wide band exhaust gas oxygen sensor interface, two Bosch LSU 4.2 wide band exhaust oxygen sensors and two 18 x 1.5mm weld nuts for exhaust pipes
  • Made in the U.S.A.
Specification Details
Country of Origin USA
Engine Type Twin Cam

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson
  • FLHR Road King 2001-2007
  • FLHRC Road King Classic 2007
  • FLHRCI Road King Classic 2002-2006
  • FLHRS Road King Custom 2004-2007
  • FLHRSI Road King Custom 2004-2006
  • FLHTC Electra Glide Classic 2001-2005, 2007
  • FLHTCI Electra Glide Classic 2001-2006
  • FLHTCU Ultra Classic Electra Glide 2001-2007
  • FLHTCUI Ultra Classic Electra Glide 2001-2006
  • FLHTCUTG Tri Glide Ultra Classic 2009-2011
  • FLHTI Electra Glide Standard 2003-2006
  • FLHX Street Glide 2006-2007
  • FLHXI Street Glide 2006
  • FLHXXX Street Glide Trike 2010-2011
  • FLST Heritage Softail 2006
  • FLSTC Heritage Softail Classic 2001-2010
  • FLSTCI Heritage Softail Classic 2001-2006
  • FLSTF Softail Fat Boy 2001-2010
  • FLSTFB Softail Fat Boy Lo 2010
  • FLSTFI Softail Fat Boy 2001-2006
  • FLSTI Heritage Softail 2006
  • FLSTN Softail Deluxe 2005-2010
  • FLSTNI Softail Deluxe 2005-2006
  • FLSTS Heritage Springer Softail 2001-2003
  • FLSTSB Softail Cross Bones 2008-2010
  • FLSTSC Softail Springer Classic 2005-2007
  • FLSTSCI Softail Springer Classic 2005-2006
  • FLSTSI Heritage Springer Softail 2001-2003
  • FLTR Road Glide 2001-2004, 2007
  • FLTRI Road Glide 2002-2006
  • FXCW Softail Rocker 2008-2009
  • FXCWC Softail Rocker C 2008-2010
  • FXD Dyna Super Glide 2001-2005, 2007-2010
  • FXDB Dyna Street Bob 2007-2011
  • FXDC Dyna Super Glide Custom 2005, 2007-2011
  • FXDCI Dyna Super Glide Custom 2005-2006
  • FXDF Dyna Fat Bob 2008-2011
  • FXDI Dyna Super Glide 2004-2006
  • FXDI35 35th Anniversary Dyna Super Glide 2006
  • FXDL Dyna Low Rider 2007-2009
  • FXDWG Dyna Wide Glide 2001-2005, 2007-2008, 2010-2011
  • FXDWGI Dyna Wide Glide 2004-2006
  • FXDX Dyna Super Glide Sport 2001-2005
  • FXDXI Dyna Super Glide Sport 2004-2005
  • FXDXT Dyna Super Glide T-Sport 2001-2003
  • FXST Softail Standard 2007
  • FXSTB Softail Night Train 2001-2009
  • FXSTBI Softail Night Train 2001-2006
  • FXSTC Softail Custom 2007-2010
  • FXSTD Softail Deuce 2001-2007
  • FXSTDI Softail Deuce 2001-2006
  • FXSTI Softail Standard 2001-2006
  • FXSTS Springer Softail 2001-2006
  • FXSTSI Springer Softail 2001-2006

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