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* Fits XL883 Sportster 883 2004-2009
* Drop in replacement for stock lifters
smooth performance
* Matching Throttle Cable # MS-3307
Adjustable Fit
ThunderMax with AutoTune. Fits Softail 2012-2015, Dyna 2012-2017 & Sportster 2014-2021 - Thunder Max Breakout * Fits XL883 Sportster 883ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson motorcycles. This highly advanced, stand alone tuning system utilizes proprietary AutoTune technology with wide band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and
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