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.
Direct replacement for the Cruise Drive Harley-Davidson 6-speed. Adds a 7th gear for improved torque utilization and smoother acceleration. Includes bearings, seals, gaskets and a self-adhesive DD7 side cover emblem. Made in the U.S.A.
Direct replacement for Cruise Drive Harley-Davidson 6-speed. Adds a true 7th gear for improved use of torque and power from 96 ci, 103 ci and 110 ci motors. Drop-in install with included bearings, seals, gaskets and DD7 side cover emblem.
- 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.
Complete kit with seals, bearings, snap rings, gaskets, and retaining nuts for a full transmission rebuild. Made in the U.S.A.
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.
Complete rebuild kit including seals, bearings, snap rings, gaskets, and retaining nuts.
Reduces bearing noise for a quieter, smoother transmission. Made in the U.S.A.
All-inclusive kit with seals, bearings, snap rings, gaskets, and retaining nuts to fully rebuild your stock transmission for a quieter, smoother operation. Made in the U.S.A.
Case-hardened steel spacer, 1.7" i.d., 0.600" thick. Direct replacement for '94-'06 Big Twins (except '06 Dyna).
Easy-install replacement oxygen sensor for ECM auto‑tune systems. Made in the USA. Some exhausts may require modifications.
Replacement bearing for 5-Speed Big Twin main drive assemblies.