Thundermax Engine Control Unit - 309-591 For Harley Touring 2021-2024 HARLEY DAVIDSON PERFORMANCE SEAT Simplistic style brings out the

Simplistic style brings out the true expression of your custom or stock bike

Unique spring rate offers the ability to soften pre-load

PRODUCT NAME TURN SIGNAL TYPE INSERT STYLE BULLET LED/LIGHT COLOR RED NUMBER OF BULBS 48 BULB TYPE LED FITS BULB SOCKET 1157 MOUNTING POSITION REAR UNITS PAIR RIDING STYLE STREET

The seat combines a Gel-Core interior and Ultra-Foam that creates a foam that is a perfect balance of rigidity and user compliance

Includes bearings and valve stems installed by Coastal Moto

Thundermax Engine Control Unit - 309-591 For Harley Touring 2021-2024 HARLEY DAVIDSON PERFORMANCE SEAT Simplistic style brings out theFeatures 2 wide band Bosch 5 wire oxygen sensors (18 mm) with AutoTune connection harness ThunderMax quick start easy install and printable comprehensive users manual Never outgrow it easily accomodates bike change No Dyno required automatically tunes for riding style and riding conditions ThunderMax performance engine control module (ECM) 100% engineered and made in the USA Easy to install and simple to use Specs PRODUCT NAME ELECTRONIC CONTROL