Thunder Heart

309-375

Thunder Heart Performance Thundermax 50 ECM 309-375

Electronic Ignition

California ARB-legal complete replacement engine management system for Delphi-equipped EFI model Harleys
Integral auto-tune system utilizes wide band O2 sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycles air/fuel ratio in all conditions
Easy installation - replace the factory ECM, install new O2 sensors and harness, and ride
Improves throttle response and increases horsepower and torque
Maintains excellent fuel economy

California ARB-legal complete replacement engine management system for Delphi-equipped EFI model Harleys
Integral auto-tune system utilizes wide band O2 sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycles air/fuel ratio in all conditions
Easy installation - replace the factory ECM, install new O2 sensors and harness, and ride
Improves throttle response and increases horsepower and torque
Maintains excellent fuel economy
Includes Thundermax 50 ECM, plug-in harness, two wide band O2 sensors, software, communication USB cable, comprehensive users manual, full technical support and free software updates
Software allows examination of vehicle diagnostic codes
01-06 models will require the exhaust system to be equipped with or modified for O2 sensor bungs
Made in the USA


This Item Fits the Following Applications:
2010 Harley Davidson FLSTFB Fat Boy Lo
2008-2010 Harley Davidson FXSTC Softail Custom
2008-2010 Harley Davidson FXDWG Dyna Wide Glide
2008-2010 Harley Davidson FXDF Fat Bob
2008-2010 Harley Davidson FXDC Super Glide Custom
2008-2010 Harley Davidson FXDB Street Bob
2008-2010 Harley Davidson FXD Dyna Super Glide
2008-2010 Harley Davidson FXCWC Rocker C
2008-2010 Harley Davidson FLSTSB Cross Bones
2008-2010 Harley Davidson FLSTN Softail Deluxe
2008-2010 Harley Davidson FLSTF Fat Boy
2008-2010 Harley Davidson FLSTC Heritage Softail Classic
2008-2009 Harley Davidson FXSTB Night Train
2008-2009 Harley Davidson FXDL Dyna Low Rider
2008-2009 Harley Davidson FXCW Rocker


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