HARLEY
Subcategories
Complete ThunderMax ECM kit with integral auto-tune, wide-band sensors, harness, software and USB cable for easy install and continuous closed-loop tuning.
Plug-and-play ThunderMax ECM kit with integral auto-tune, downloadable maps, live datalogging and easy installation. Made in the USA.
- 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.
Compact adapter for secure hose and connector joins; easy to install and maintain.
Lightweight anodized hose end engineered for universal hoses; precision-machined and sold individually.
Complete engine control module kit with integral auto-tuning and wide-band sensors for easy installation and tuning.
Increases clutch capacity, smoother shifts, multiple spring pressures, includes hub, pressure plate, plates and springs; fits stock type basket.
Bolt-on clutch assembly with 100% more surface area and a new inner hub for improved engagement.
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.
Easy-install replacement oxygen sensor for ECM auto‑tune systems. Made in the USA. Some exhausts may require modifications.
High-friction carbon fiber and precision steel plates for smooth engagement and reliable release. Made in the U.S.A.
Low-profile bolt-on lock-up pressure plate conversion kit that increases clutch capacity while minimizing lever effort; includes three spring sets for tuning.
Replacement clutch plate set for Scorpion Clutch. Made in the U.S.A.
Includes friction plates, clutch plates, and springs. Replaces worn clutch components for reliable engagement and improved feel.
Clear 0.25" polycarbonate window for clutch inspection; scratch- and discoloration-resistant and sealed with an o-ring; gasket included.
State-of-the-art compression release valves that reduce hot starts and lower starter and battery loads. Sold as a set and made in the U.S.A.