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.
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.
Available in multiple thread sizes and anodized finishes; fits the rear chassis of most sport bikes. Enables the use of V-shaped adapters PART #4101-0235 for reliable stability.
Available in multiple thread sizes and anodized finishes; compatible with V-shaped adapters PART #4101-0235.
Compact bobbins for rear chassis fitment on sport bikes. Available in multiple thread sizes and anodized colors. Enables use of V-shaped adapters Part #4101-0235 for reliable stability.
Aluminum bobbins in multiple thread sizes and anodized colors; pair fits most sport bike rear chassis. Compatible with V-shaped adapters PART #4101-0235.
Aluminum bobbins in multiple thread sizes and anodized colors; fit rear chassis of sport bikes and enable use of “V” shaped adapters PART #4101-0235.
Available in multiple thread sizes and anodized colors; fits most sportbike rear chassis and accepts "V" shaped adapters PART #4101-0235.
Available in multiple thread sizes and anodized colors; fits rear chassis of sport bikes.
Chrome billet speedometer sensor with OEM Deutsch connector. Made in the USA.
Compact harness that provides a second communication port for tight ECM clearances — suitable for Dyna, Softail Rocker and '02-'05 V-Rod models.
Complete engine control module kit with integral auto-tune, plug-in harness, two wide-band sensors, software and USB cable. Easy install, hundreds of downloadable maps, closed-loop AFR tuning, no dyno required.
Reduces oil temperatures using engine temperature and vehicle speed. Quick 15-minute install; no oil cooler removal. Plug-n-play on M8 models with compatible ECM. Made in the USA.