HARLEY
Subcategories
Complete ThunderMax ECM kit with integral auto-tune, wide-band sensors, harness, software and USB cable for easy install and continuous closed-loop tuning.
Billet vented dipstick replaces the factory oil fill, reduces blowby pressure, improves oil control and helps maintain the correct hot oil level.
Billet vented dipstick reduces crankcase blowby, improves oil level stability and can increase mpg. Screws into the factory oil fill spout as a direct replacement. Two venting options: 1/8 NPT breather or quick-disconnect with hose and filter. Read hot oil at FHS (jiffy stand) or FHU (upright).
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.
Broad midrange power band camshaft with a smooth lobe design. Made in the USA. Performance pushrods, lifters and clutch recommended.
Broad power band for modified and stock 96\", 103\" and 110\" engines.
Smooth cam-lobe design for quiet valvetrain operation.
Made in the USA; performance pushrods, lifters and clutch recommended.
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 camshaft installation kit with gaskets, bearings, fasteners, and O-rings.
- Includes quick change gasket kit and hardened washers.
- Precision bearings and ARP® hardware for secure assembly.
- Made in the USA.
Complete kit with roller bearings, ARP® bolts, gaskets and hardware to install bolt-in and high-lift camshafts.
Complete camchest overhaul kit that lowers engine and oil temperatures, increases oil pressure and improves smoothness and reliability. Includes high-volume oil pump, Reaper® camshafts, hydraulic roller lifters, Timken® bearings and ARP® fasteners. Fits '07-'17 Twin Cam and '06 Dyna.
Complete camshaft installation kit with gaskets, bearings, ARP® bolts, and service seals. Made in the USA.