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This kit fits 2004-UP Harley-Davidson Sportsters and features black cast finished cylinders
but will not allow tire/fender contact and are preload adjustable to allow for fine tuning to your weight
perfect for starter
Classic stepped performance headers 1-3/4" primary to 2" step to allow maximum transfer
ThunderMax Fuel Tuner for 2021-2024 Harley-Davidson Softail Ignition & Electrical Big Twin Parts This kit fits 2004-UP Harley-DavidsonThunderMax Fuel Tuner for 2021 2024 Harley Davidson Softail Looking for a do it all tuner? The ThunderMax is innovative because it's not a traditional tunerit's a complete ECM! Kit includes ThunderMax ECM with Auto Tune Module Plug and play harnesses Two wideband oxygen sensors ThunderMax software and communication USB cable Instructions Can benefit from dyno tuning, but it's not required if you choose to allow your ThunderMax to "learn" the correct
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