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
High-quality Fork Assembly designed for enhanced performance and durability.
Standard springer fork; OEM-style replica that exceeds OEM quality. Axle and brake kit sold separately. Upper triple clamp may be required.
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.
Steel axle assembly, 1" diameter, precision-machined components for reliable wheel alignment.
Easy-install replacement oxygen sensor for ECM auto‑tune systems. Made in the USA. Some exhausts may require modifications.
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.
Steel upper triple clamp for Classic Bike Springer forks; includes studs and rigid fork leg (OEM 4350-A).
Durable 19mm steel axle kit for compatible forks; includes installation components.