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.
AGM maintenance-free design; spillproof and multi-position mounting. Ready to use, plug-and-play and low self-discharge.
Maintenance-free AGM battery with spillproof, sealed design, ready to use and suitable for multi-position mounting up to 90°.
Plug-and-play LiFePO4 battery with long cycle life, multi-position mounting, brass terminals and silicone sealing for reliable, lightweight performance.
Compact booster for jump-starting vehicles and charging USB devices, with smart cable and LED flashlight.
Professional 12V tester for lead acid and lithium batteries with battery, cranking, charging, alternator and starter tests. Includes clamps, pouch and USB for printing.
Factory-activated, maintenance-free SLA battery ready to use. Spill-proof, no acid handling, high starting power and long cycle life.
Ready-to-use, spill-proof, maintenance-free battery with high starting power and long cycle life. Plug & play convenience and sealed, safe construction.
Easy-install replacement oxygen sensor for ECM auto‑tune systems. Made in the USA. Some exhausts may require modifications.