Complete ThunderMax ECM kit with integral auto-tune, wide-band sensors, harness, software and USB cable for easy install and continuous closed-loop tuning.
HARLEY
Subcategories
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.
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.
Metal adapter collar for fitting different lights to your vehicle.
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.
Thin spacer for handlebar grips — 50 mm OD, 22/26 mm ID, 5 mm thick.
W-style handlebar end weights with a dual-function design for vibration damping and mirror mounting. Supplied as a kit for easy installation on compatible bars.
Compact LED capsule headlight with E-marked position/parking light, driving light and high beam. Vibration- and water-resistant.
CNC-milled aluminum headlight bracket with precise fit and durable construction.