ThunderMax
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Thundermax - EA4250D-C - Electronic Harness Controller
ThunderMax
$369.95Thundermax - EA4250D-C - 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...$369.95 -
Thundermax - EA4360 - Micro Harness Controller
ThunderMax
$406.95Thundermax - EA4360 - Micro Harness ControllerFeaturesPerforms all fuse, relay (includes starter relay) and signal-canceling functions in one simple packageProvides multiple flasher combinations...$406.95 -
Thundermax - EA4093 - Push Button Converter - Harley Davidson
ThunderMax
$46.95Thundermax - EA4093 - Push Button Converter - Harley DavidsonFeaturesConvenient way to wire up push-button hand control switchesTakes momentary signal from a push-button hand control switch and...$46.95 -
Thundermax - EA4094 - Center Module - Brake Light - Harley Davidson
ThunderMax
$46.95Thundermax - EA4094 - 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...$46.95 -
Thundermax - EA4260 - Micro Harness Controller
ThunderMax
$359.95Thundermax - EA4260 - Micro Harness ControllerFeaturesPerforms all fuse, relay (includes starter relay) and signal-canceling functions in one simple packageProvides multiple flasher combinations...$359.95 -
Thundermax - 309-324 - Pigtail ECM Harness
ThunderMax
$20.95Thundermax - 309-324 - Pigtail ECM Harness Features Handy for motorcycle models with tight clearances around the ECM such as Dyna, Softail Rocker and '02-'05 V-Rod models Allows a second port...$20.95 -
Thundermax - 309-355 - Replacement Oxygen Sensor
ThunderMax
$129.95Thundermax - 309-355 - Replacement Oxygen SensorFeaturesEasy installation: replace the factory ECM, install new O² sensors and harness, load the correct map for your bike, and rideReplacement oxygen...$129.95 -
Thundermax - 309-424 - Pigtail USB Harness
ThunderMax
$20.95Thundermax - 309-424 - Pigtail USB Harness Features Handy for motorcycle models with tight clearances around the ECM such as Dyna, Softail Rocker and '02-'05 V-Rod models Allows a second port...$20.95 -
Out of stock
Thundermax - 309-604 - Engine Control Module with Integral Auto-Tune - Touring
ThunderMax
$1,088.95Thundermax - 309-604 - Engine Control Module with Integral Auto-Tune - TouringFeaturesMounts conveniently in place of the factory ECM and plugs in to the existing harnessUtilizes wide-band oxygen...$1,088.95 -
Out of stock
Thundermax - 309-362 - ThunderMax Engine Control Module Kit with Integral Auto Tune - Touring/Trike/Throttle-by-Wire
ThunderMax
$1,088.95Thundermax - 309-362 - ThunderMax Engine Control Module Kit with Integral Auto Tune - Touring/Trike/Throttle-by-WireFeaturesIncludes ThunderMax ECM with Auto-Tune Module, plug-in harness and two...$1,088.95 -
Out of stock
Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/Trike
ThunderMax
$262.95Thundermax - EA7000 - Oil Cooler Fan - M8 Touring/TrikeFeaturesUses engine temp and vehicle speed to reduce heat and keep engines running coolTakes only 15 minutes to install; does not require oil...$262.95 -
ThunderMax - Stand-Alone Ignition System for Carbureted fits '01-'06 Twin Cam Models
ThunderMax
$365.95ThunderMax - Stand-Alone Ignition System for Carbureted fits '01-'06 Twin Cam Models The ThunderMax Stand-Alone Ignition System for Carbureted '01-'06 Twin Cam Models is a comprehensive system...$365.95 -
Thundermax - Electronically Commutated Motor W/ Auto Tune fits '21 & Up Touring Models
ThunderMax
$1,115.95Thundermax - Electronically Commutated Motor W/ Auto Tune fits '21 & Up Touring Models Thundermax is THE name to know if you own an EFI-equipped Harley-Davidson motorcycle. Their standalone...$1,115.95 -
Thundermax - Electronically Commutated Motor W/ Auto Tune fits '21 & Up Softail Models
ThunderMax
$1,170.95Thundermax - Electronically Commutated Motor W/ Auto Tune fits '21 & Up Softail Models Thundermax is THE name to know if you own an EFI-equipped Harley-Davidson motorcycle. Their standalone...$1,170.95 -
Thundermax - Performance ECM's with Integral Autotune System (see desc. for fitment)
ThunderMax
$1,088.95Thundermax Performance ECM's with Integral Autotune System (See desc. for fitment) Thundermax is everything you've been looking for for your motorcycle. This is a software, firmware, and an...$1,088.95
Thunder Max was established back in 2003 and has since then, provided high-quality electronics, performance systems, and other motorcycle components. The company is well-known for their efficient Electronic Fuel Injection systems. The company offers many race-ready and street-ready EFIs that fit onto motorcycles perfectly. They’re all designed and developed to sit securely in the bike’s original operating mechanism. All of Thunder Max's products are manufactured at the Thunder Heart Performance Corporation facility in White House, Tennessee under strict quality standards. They use the best materials and invest well in the design of the products to ensure the spare parts perform well under real life riding conditions. Thunder Max parts are easy to install and bike owners can easily replace an OEM factory installed unit with an efficient Thunder Max product.