Thundermax ThunderMax Engine Control Unit - 309-589 For Harley Softail 2018-2020 Brand_Rc Components Inserts utilize automotive-grade LEDs to

Inserts utilize automotive-grade LEDs to produce an even brighter light output with wider viewing angle

Seat features panels of Alcantara® for luxurious texture

FXBR and FXST

Use with stock shift or aftermarket levers

blow by and oily air cleaners

Thundermax ThunderMax Engine Control Unit - 309-589 For Harley Softail 2018-2020 Brand_Rc Components Inserts utilize automotive-grade LEDs toFeatures Includes ThunderMax ECM with Auto Tune Module, plug in harness and two wide band sensors, TMax software and communication USB cable, Quick Start Easy Install and Comprehensive User's Manual, technical support and free software and updates Hundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) load the map of your choice and the integral auto tune will do the rest