The BoosterPlug is the smarter choice, when you want to improve the rideability on your Harley Davidson Road King Classic FLHRC without spending a fortune.
Compared to the Power Commander, the BoosterPlug offers similar or better results for must owners - at a much lower price and without the complicated setup.
You don't have to be a trained engineer or a computer programmer to install the BoosterPlug. Easy and fast plug and play installation.
The smarter choice to optimize the fuel Injection on your motorcycle:
- Eliminate the poor on/off like throttle action
- Faster acceleration
- Eliminate the low speed surge problem
- Removes the weak idle and stalling issues
- Far less popping in the exhaust on deceleration
This version of the BoosterPlug covers all versions of the Harley Davidson Road King Classic FLHRC (2007 only).
General Installation Instructions
Bike Specific Installation Instructions