• ThunderMax 309-605 AutoTune ECM
1 1

ThunderMax

ThunderMax AutoTune ECM 309-605 — 2023.5-Up Center-Cooled Touring — VVT & Non-VVT

ThunderMax AutoTune ECM 309-605 — 2023.5-Up Center-Cooled Touring — VVT & Non-VVT

$1,088.95 USD
$1,088.95 USD
Sale Sold out
Shipping calculated at checkout.

In stock

FIND YOUR FIT

Does this fit my ride?

Choose your motorcycle to check the applications in our catalog.

Loading fitment information…

    Catalog coverage is incomplete. A missing match does not mean a part will not fit. Confirm fitment for modified bikes with our shop.

    Need fitment help?

    Standalone ThunderMax ECM with wide-band AutoTune for 2023.5-up center-cooled touring — vvt & non-vvt.

    For center-cooled Touring models with VVT or without VVT. Road King, earlier Ultra and Trike applications may instead require 309-591.

    For a Trask turbo build, use the ECM matching the motorcycle and have the correct Trask turbo calibration loaded. The turbo kit does not include this ECM.

    Uses 18 mm oxygen sensors; verify exhaust sensor ports. Race-ready applications only. Cannot ship to California.

    Manufacturer part: 309-605. Supplier part: 1020-4289.

    View full details