Engine
Active filters
- Bolt-on power: +40–50% on stock 107", 114" and 117" M‑Eight motors.
- Compressor and turbine housing with Garrett internals; plenum with integrated blow-off valve.
- Includes injectors, spark plugs, boost gauge with mount, oil feed/drain lines, custom cam cover, tune files, hardware and gaskets.
- Requires Thundermax ECM (sold separately). Does not fit Twin Cooled or non-removable fairing lowers. Offroad use only.
- Made in the USA.
Plug-and-play cooler kit with a high-powered, waterproof fan and temperature-activated switch; includes wiring, hardware and instructions. Not for "Twin Cooled" models.
Transparent cam cover designed to match Assault series air cleaners. Made in the USA.
Low-profile billet tappet and pushrod cover kit; fits Twin Cam pushrod covers only; sits 1/2" lower than stock; includes gaskets, O-rings and screws; made in USA.
High-flow piston oiling jet kit designed for stock and high-performance flywheels; modified for stroker applications. Made in the U.S.A.
Quality pinion shaft bushing. Made in the U.S.A.
Precision machined cam cover bushing with .0002" tolerance and installation lead-in. Made in the U.S.A.
- Versatile gasket kit for multiple engine applications
- Higher performance on imperfect surfaces
- Includes parts for head, base, covers and housings
Cult-Werk triple tree bolt kit in black for Harley-Davidson Sportster ® models.
High-capacity hydraulic tappets developed for increased load, lubrication and service life; billet body and wider rollers.
4340 chromoly pushrods with solid adjustable tappets for aggressive cam profiles and high RPM; made in the U.S.A.
Quality replacement that meets or exceeds OEM specifications. Made in the U.S.A.