Thundermax

ThunderMax #53-449 - ThunderMax Tune Up Kit

ThunderMax Tune Up Kit

ThunderMax #53-448 - ThunderMax M8 Tune Up Kit

ThunderMax M8 Tune Up Kit

ThunderMax #53-446 - ThunderMax Tune Up Kit

ThunderMax Tune Up Kit

ThunderMax #53-445 - ThunderMax Tune Up Kit

ThunderMax Tune Up Kit

ThunderMax #53-442 - Thundermax Tune Up Kit

Thundermax Tune Up Kit

Thundermax Engine Control Module with Integral Auto-Tune - Touring

Engine Control Module with Integral Auto-Tune System Mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band oxygen sensors and works as a...

Thundermax #309-592 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Softail

Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their oxygen sensor port bungs.FeaturesIncludes ThunderMax ECM with Auto-Tune Module,...

Thundermax #309-591 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Touring

Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their oxygen sensor port bungs.FeaturesIncludes ThunderMax ECM with Auto-Tune Module,...

Thundermax #EA4100CHR-DS - Transmission Speedometer Sensor

For use with stock-length starter motor on most '96-'03 Big Twin models.FeaturesChrome billet sensorIncludes OEM Deutsch connectorMade in the USASpecsApplicationTransmissionProduct NameSensorRiding...

Programmable Transmission Speedometer Sensor

FeaturesUsed to correct your speedometer when you change tire size, pulley size, gear ratio or make any other changes affecting the speedometerCapable of 0-50% positive or negative correctionQuick...

Thundermax #EA4250D-C - Electronic Harness Controller

Electronic Harness ControllerFeaturesAllows a dual-filament bulb to be used in three ways: tail, brake and turn signal (excluding the need for a center brake light); includes ribbon cable for...

Thundermax #EA4094 - Center Module - Brake Light - Harley Davidson

Center Module - Brake Light - Harley DavidsonFeaturesAllows installation of a center brake light on choppers and custom bikes when used with Thunder Heart’s Micro Harness Controller part #...

Thundermax #EA4360 - Micro Harness Controller

For choppers and custom bikes w/o separate brake light (except '04-'20 Big Dog w/proprietary hand controls)FeaturesPerforms all fuse, relay (includes starter relay) and signal-canceling functions in...

Thundermax #EA4093 - Push Button Converter - Harley Davidson

Push Button Converter - Harley DavidsonFeaturesConvenient way to wire up push-button hand control switchesTakes momentary signal from a push-button hand control switch and converts it to a standard...

Thundermax #EA4260 - Micro Harness Controller

For choppers and custom bikes w/o separate brake light (except '04-'20 Big Dog w/proprietary hand controls)FeaturesPerforms all fuse, relay (includes starter relay) and signal-canceling functions in...

Thundermax #EA5012 - Stand-Alone Ignition System - Twin Cam

Stand-Alone Ignition System - Twin CamFeaturesDesigned for use in custom applications where a Twin Cam motor and crank sensor are usedComplete ignition system includes module, coil, wires, Smart Link...

Thundermax #309-355 - Replacement Oxygen Sensor

Replacement Oxygen SensorFeaturesEasy installation: replace the factory ECM, install new O² sensors and harness, load the correct map for your bike, and rideReplacement oxygen sensor for Thundermax...

Thundermax #309-324 - Pigtail ECM Harness

Requires ThunderMax ECM with serial number 114000 or higher (produced beginning August 2008). Will not work on previous model ThunderMax part # 232661 TBW unit.Installed into the bike's wiring...

Thundermax #309-588 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '17-'20 Touring/Trike

Will not work on trikes with traction control.ThunderMax modules use wide band 18 mm O2 sensors; users may need to weld-in 18 mm bungs in the stock head pipe, 3"-4" from cylinder heads on...

Thundermax #309-589 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '18-'20 Softail

Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their oxygen sensor port bungs.Not interchangeable or upgradable from part #...

Thundermax #309-563 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '14-'17 Softail

Will require the use of an exhaust system with 18 mm sensor bungs or head pipes must be modified to accept 18 mm sensors.FeaturesIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two...

Thundermax #309-382 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '12-'20 Dyna/Softail/Sportster

Will require the use of an exhaust system with 18 mm sensor bungs or head pipes must be modified to accept 18 mm sensors.FeaturesIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two...

Thundermax #309-485 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '04-'13 Dyna/Softail/Sportster

Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their oxygen sensor port bungs.Includes mini USB pigtail.FeaturesIncludes ThunderMax...

Thundermax #309-460 - ThunderMax Engine Control Module Kit with Integral Auto Tune - '01-'10 Softail/Sportster/Touring

Because of possible clearance issues, some of the aftermarket exhaust systems may require modifications or relocation of their oxygen sensor port bungs.FeaturesIncludes ThunderMax ECM with Auto-Tune...