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.
Protects the oil sending unit sensor and connector; precision-machined for a snug, low-profile fit. Made in the USA.
Provides neat coverage for the oil sending unit sensor and connector. 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.
Progressively wound racing valve springs offering improved fatigue life and consistent high-rpm performance.
Precision-machined nickel bronze construction for excellent wear resistance and heat conductivity.
Compatible with no-lead fuel; accepts various valve-stem materials.
Accepts special valve guide seals (sold separately). Made in USA.
Precision-machined shouldered valve guide for superior wear resistance and efficient heat dissipation.
Precision machined cam cover bushing with .0002" tolerance and installation lead-in. Made in the U.S.A.