Replacement component for Big Twin models; precision-machined to restore lubrication performance and reduce noise.
Active filters
High-strength pinion shaft nut designed for secure gear-side installation and long service life.
Precision-made valve lock keys with a 10° lock angle. Heat-treated and made in the U.S.A. Designed for reliable valve keeper service.
- 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.
Reduces oil temperatures using engine temperature and vehicle speed. Quick 15-minute install; no oil cooler removal. Plug-n-play on M8 models with compatible ECM. 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.
Complete bolt kit for primary and derby cover. Made in the U.S.A.
Durable engine support assembly made in the U.S.A., with precision components and complete hardware for secure mounting.
- Complete motor set with all side covers and mounts
- Includes lifter base timing plug and inner primary mount
- Made in the U.S.A.
Complete bolt kit for timing cover installation. Includes necessary fasteners for a secure fit; easy to install.
Includes cam, primary, oil hose cover and transmission side cover. Made in the U.S.A.
Complete bolt kit for side covers; includes cam, primary, oil hose cover and transmission side cover.
Quality pinion shaft bushing. Made in the U.S.A.
 
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