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EJK Tuning Fuel Controller


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EJK HARLEY DAVIDSON PRODUCTS

Harley Davidson motorcycles have long dominated the market for riders getting out on the road and it is no coincidence the large number of aftermarket accessories and performance products available to the end users. Navigating through all the products trying to decide which sounds better can be very time consuming and you will hear a lot of biased comments. We are only going to state some simple facts and if we perk your interest then feel free to contact us with additional questions.
  1. EJK controllers are supported by the manufacturer who has one of the highest rated technical support teams in the business. Online forum community support is offered through HDTalking.com.

  2. High cost controllers are overkill for the vast majority of riders. Would you pay $100 more for a 1 HP gain? In most cases the EJK can already out perform the competition anyways.

  3. Two (2) year unlimited mileage warranty for manufacturer defects.

What is the difference between the standard listing for my bike and the listing
which says "w/ Bypass?"


What is the difference between the types? GEN 3 vs GEN 3.5?

Is my bike a Dyna, Softail, Touring, Sportster, or VROD? Click here for a model listing


What really changes between all the model years?
The main changes between the year ranges which creates such an extensive list of part numbers is the injector connector type to plug-in and also the implementation of O2 sensors to the bikes. The Sportster and VROD models also have different base maps because of different RPM rev limits.

2009 Harley Dyna Super Glide Dyno Graph - Before and after installing an EJK fuel controller
Click on image to view a dyno graph of
before and after installing an EJK fuel controller.



The following is an application list for currently offered EJK controllers:

Harley Davidson
Part Number Type Vehicle  
9120468 GEN 3 Harley Davidson Touring Milwaukee-Eight 107 2017  
RECOMMENDED
VIEW INFO
9120469 GEN 3 Harley Davidson Touring Milwaukee-Eight 114 2017 VIEW INFO
8120128 GEN 3.5 Harley Davidson Big Twins 1995-2001 VIEW INFO
8120127 GEN 3.5 Harley Davidson Big Twins 2002-2004 VIEW INFO
8120128 GEN 3.5 Harley Davidson Big Twins 2005 VIEW INFO
9120265 GEN 3 Harley Davidson Big Twins 1995-2005  RECOMMENDED VIEW INFO
8120089 GEN 3.5 Harley Davidson Dyna w/ Bypass 2006-2011 VIEW INFO
9120305 GEN 3 Harley Davidson Dyna w/ Bypass 2006-2011  RECOMMENDED VIEW INFO
8120077 GEN 3.5 Harley Davidson Dyna 2006-2011 VIEW INFO
9120266 GEN 3 Harley Davidson Dyna 2006-2011 VIEW INFO
8120099 GEN 3.5 Harley Davidson Dyna 103" w/ Bypass 2012-2017 VIEW INFO
9120388 GEN 3 Harley Davidson Dyna 103" w/ Bypass 2012-2017  
RECOMMENDED
VIEW INFO
8120101 GEN 3.5 Harley Davidson Dyna 103" 2012-2017 VIEW INFO
9120390 GEN 3 Harley Davidson Dyna 103" 2012-2017 VIEW INFO
8120163 GEN 3.5 Harley Davidson Dyna 110" w/ Bypass 2016-2017 VIEW INFO
9120449 GEN 3 Harley Davidson Dyna 110" w/ Bypass 2016-2017 VIEW INFO
8120170 GEN 3.5 Harley Davidson Dyna 110" 2016-2017 VIEW INFO
9120455 GEN 3 Harley Davidson Dyna 110" 2016-2017 VIEW INFO
8120076 GEN 3.5 Harley Davidson Softail 2006 VIEW INFO
9120267 GEN 3 Harley Davidson Softail 2006  RECOMMENDED VIEW INFO
8120089 GEN 3.5 Harley Davidson Softail w/ Bypass 2007-2011 VIEW INFO
9120305 GEN 3 Harley Davidson Softail w/ Bypass 2007-2011  
RECOMMENDED
VIEW INFO
8120077 GEN 3.5 Harley Davidson Softail 2007-2011 VIEW INFO
9120266 GEN 3 Harley Davidson Softail 2007-2011 VIEW INFO
8120099 GEN 3.5 Harley Davidson Softail w/ Bypass 2012-2015 VIEW INFO
9120388 GEN 3 Harley Davidson Softail w/ Bypass 2012-2015  
RECOMMENDED
VIEW INFO
8120101 GEN 3.5 Harley Davidson Softail 2012-2015 VIEW INFO
9120390 GEN 3 Harley Davidson Softail 2012-2015 VIEW INFO
8120163 GEN 3.5 Harley Davidson Softail w/ Bypass 2016-2017 VIEW INFO
9120449 GEN 3 Harley Davidson Softail w/ Bypass 2016-2017  
RECOMMENDED
VIEW INFO
8120170 GEN 3.5 Harley Davidson Softail 2016-2017 VIEW INFO
9120455 GEN 3 Harley Davidson Softail 2016-2017 VIEW INFO
9120411 GEN 3 Harley Davidson Softail CVO Models 2011 VIEW INFO
8120126 GEN 3.5 Harley Davidson Softail CVO Models 2012 VIEW INFO
9120412 GEN 3 Harley Davidson Softail CVO Models 2012  RECOMMENDED VIEW INFO
9120445 GEN 3 Harley Davidson Softail CVO Models 2013-2014 VIEW INFO
8120126 GEN 3.5 Harley Davidson Softail CVO Models 2015 VIEW INFO
9120412 GEN 3 Harley Davidson Softail CVO Models 2015  RECOMMENDED VIEW INFO
8120090 GEN 3.5 Harley Davidson Sportster w/ Bypass 2007-2013 VIEW INFO
9120306 GEN 3 Harley Davidson Sportster w/ Bypass 2007-2013  
RECOMMENDED
VIEW INFO
8120078 GEN 3.5 Harley Davidson Sportster 2007-2013 VIEW INFO
9120271 GEN 3 Harley Davidson Sportster 2007-2013 VIEW INFO
8120144 GEN 3.5 Harley Davidson Sportster w/ Bypass 2014-2017 VIEW INFO
9120423 GEN 3 Harley Davidson Sportster w/ Bypass 2014-2017  
RECOMMENDED
VIEW INFO
8120145 GEN 3.5 Harley Davidson Sportster 2014-2017 VIEW INFO
9120425 GEN 3 Harley Davidson Sportster 2014-2017 VIEW INFO
9120447 GEN 3 Harley Davidson Street XG500 / XG750 2015-2017 VIEW INFO
8120076 GEN 3.5 Harley Davidson Touring / Touring SE Models 2006 VIEW INFO
9120267 GEN 3 Harley Davidson Touring / Touring SE Models 2006  
RECOMMENDED
VIEW INFO
8120089 GEN 3.5 Harley Davidson Touring / Touring SE Models w/ Bypass 2007 VIEW INFO
9120305 GEN 3 Harley Davidson Touring / Touring SE Models w/ Bypass 2007  
RECOMMENDED
VIEW INFO
8120077 GEN 3.5 Harley Davidson Touring / Touring SE Models 2007 VIEW INFO
9120266 GEN 3 Harley Davidson Touring / Touring SE Models 2007 VIEW INFO
8120091 GEN 3.5 Harley Davidson Touring / Touring SE/CVO Models w/ Bypass 2008-2009 VIEW INFO
9120307 GEN 3 Harley Davidson Touring / Touring SE/CVO Models w/ Bypass 2008-2009  
RECOMMENDED
VIEW INFO
8120079 GEN 3.5 Harley Davidson Touring / Touring SE/CVO Models 2008-2009 VIEW INFO
9120268 GEN 3 Harley Davidson Touring / Touring SE/CVO Models 2008-2009 VIEW INFO
8120129 GEN 3.5 Harley Davidson Touring / Touring SE/CVO Models (disconnect O2s) 2010-2013 VIEW INFO
9120333 GEN 3 Harley Davidson Touring / Touring SE/CVO Models (disconnect O2s) 2010-2013  
RECOMMENDED
VIEW INFO
8120081 GEN 3.5 Harley Davidson Touring / Touring CVO Models 2010-2013 VIEW INFO
9120332 GEN 3 Harley Davidson Touring / Touring CVO Models 2010-2013 VIEW INFO
8120138 GEN 3.5 Harley Davidson Touring / Touring CVO Models w/ Bypass 2014-2016 VIEW INFO
9120422 GEN 3 Harley Davidson Touring / Touring CVO Models w/ Bypass 2014-2016  
RECOMMENDED
VIEW INFO
8120140 GEN 3.5 Harley Davidson Touring / Touring CVO Models 2014-2016 VIEW INFO
9120424 GEN 3 Harley Davidson Touring / Touring CVO Models 2014-2016 VIEW INFO
9120269 GEN 3 Harley Davidson VROD 2002-2007 VIEW INFO
8120092 GEN 3.5 Harley Davidson VROD w/ Bypass 2008-2011 VIEW INFO
9120308 GEN 3 Harley Davidson VROD w/ Bypass 2008-2011  RECOMMENDED VIEW INFO
8120080 GEN 3.5 Harley Davidson VROD 2008-2011 VIEW INFO
9120270 GEN 3 Harley Davidson VROD 2008-2011 VIEW INFO
8120100 GEN 3.5 Harley Davidson VROD w/ Bypass 2012-2017 VIEW INFO
9120389 GEN 3 Harley Davidson VROD w/ Bypass 2012-2017  RECOMMENDED VIEW INFO
8120102 GEN 3.5 Harley Davidson VROD 2012-2017 VIEW INFO
9120391 GEN 3 Harley Davidson VROD 2012-2017 VIEW INFO


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