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
Patented three-piece design that requires no spring for smoother power delivery.
Lighter than the stock unit to reduce rotational mass and improve throttle response.
Manufactured in the U.S.A.
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.
Polished pressure plate, race-proven aramid clutch pack, made in the U.S.A.
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.
Plates deliver 11% more surface area for improved clutch engagement. Pre-measured stack height for easy installation. Made in the U.S.A.
Pressure plate engineered for reliable engagement and consistent performance with BDL belt drive clutches.
Complete bolt-in belt drive kits with Quiet Clutch system and aramid clutch sets. 3" electric-start kit includes a 6061 T-6 billet motor plate; 3" system not for use with floorboards. Not for use with offset primaries.
Electric start belt drive kit with lock-up clutch and Quiet Clutch; direct bolt-in, made in the U.S.A.
- Precision-machined construction with a unique top guard.
- Ball-bearing lockup clutch and top belt guard included.
- Four interchangeable dome covers for multiple looks.
- Made in the U.S.A.