Complete ThunderMax ECM kit with integral auto-tune, wide-band sensors, harness, software and USB cable for easy install and continuous closed-loop tuning.
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Hand-screened water-based inks; screen printed size collar label; printed in the USA.
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.
Increases clutch capacity, smoother shifts, multiple spring pressures, includes hub, pressure plate, plates and springs; fits stock type basket.
Bolt-on clutch assembly with 100% more surface area and a new inner hub for improved engagement.
Heavyweight 100% cotton flannel with stainless-steel snaps, hidden collar snaps and elastic thumb loops for secure sleeve fit.
Heavyweight cotton flannel with plated stainless-steel snaps, hidden collar snaps and elastic thumb loops for secure sleeves.
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.
Heavyweight flannel shirt featuring plated stainless-steel snaps, hidden collar snaps, elastic thumb loops and a glasses pocket slot.
Heavyweight flannel built for durability with stainless-steel snaps, elastic thumb loops and a discreet glasses slot.
Heavyweight cotton flannel with plated stainless-steel snaps, hidden collar snaps, elastic thumb loops, and a discreet glasses pocket for practical everyday wear.
Durable heavyweight flannel with stainless-steel snaps, elastic thumb loops, and a discreet glasses slot in the chest pocket.