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.
Chrome billet speedometer sensor with OEM Deutsch connector. Made in the USA.
High-strength drag racing drive chain with shot-peened plates, pins and rollers; clip and rivet master link included.
Purpose-built drag racing drive chain with gold-colored high-alloy plates, shot-peened components and included clip and rivet master links.
High-alloy drag racing chain with shot-peened plates, pins and rollers for improved fatigue resistance. Pro Stock–level breaking strength. Clip and rivet master link included.
High-strength drag-racing chain with shot-peened plates, pins and rollers. Includes clip/rivet link; breaking and fatigue ratings suitable up to Pro Stock level.
High-strength drag racing chain with shot-peened components for improved fatigue resistance and Pro Stock–level breaking strength.
Durable drive chain engineered for street and superbike performance. High-temperature grease at pin/bushing area, reinforced plates and rollers, quad-riveted construction, original-equipment fitment on major sport models. Includes reinforced master connector.
High-durability drive chain with high-temperature grease lubrication, quad-riveted outer plates and rivet master link. Ideal for street bikes and superbikes up to 1,300cc.
Durable replacement piece for quick chain separation and reassembly with precision fit and corrosion resistance.