Complete ThunderMax ECM kit with integral auto-tune, wide-band sensors, harness, software and USB cable for easy install and continuous closed-loop tuning.
Intake
Active filters
Replaces stock rubber lower crossover lines with stainless steel lines. Seals with compression fittings for a positive seal. Made in the USA.
Plug-and-play ThunderMax ECM kit with integral auto-tune, downloadable maps, live datalogging and easy installation. Made in the USA.
Retro-style air cleaner with reusable foam filter and included mounting hardware.
- Complete plug‑in control module kit with wide‑band oxygen sensors and harness.
- Hundreds of downloadable maps; integral self‑tuning adjusts air/fuel in real time.
- Live datalogging and diagnostics; adjustable ignition and startup maps.
Complete gasket and seal kit with accelerator pump for rebuilding Bendix carburetors.
Direct-fit replacement fuel line for the run from tank to fuel rail. Includes necessary connectors and OEM-quality construction.
Complete kit to rebuild butterfly-style and CV-style Keihin carburetors.
Reinforced synthetic rubber, smooth-bore line resistant to fuel and oil. Made in the USA.
Covers the OEM fitting at the tank bottom. Two-piece design for easy installation.
For closed-course racing only. Kit includes gaskets, O-rings, float bowl, carb cap, accelerator pump parts, extended mixture screw, diaphragm, float needle (FMK tip), emulsion tube, slide needle, and main/pilot jets (3 main, 3 pilot) for tuning.
Self-tuning engine control kit with downloadable maps, live datalogging, closed-loop wide-band tuning and simple plug-in installation — improves throttle response and driveability.
For closed-course racing only. Complete rebuild kit with gaskets, O-rings, diaphragm, float needle valve (FMK tip), emulsion tube, slide needle, and three main and three pilot jets for tuning.
Includes NBR rubber parts that resist ethanol. Components mirror U.S. model specifications; verify fitment on non-U.S. machines.