Engine
Active filters
Transparent cam cover that matches Assault series air cleaners and allows internal inspection. Made in the USA.
Transparent cover for viewing internal engine components. Matches the Assault series air cleaners. Made in the USA.
Transparent cover for viewing internal engine components; matches Assault series air cleaners. Made in the USA.
Strong hose clamps with positive grip, easy ear-clipping removal, and a snag-free design.
360° Stepless® ear clamps with a 5 mm band for concentrated seal compression. Tampering visible; lightweight design. Side jaw clamp pincher tool sold separately.
360° Stepless® ear clamps with narrow 5 mm band, tamper-evident, lightweight, and reduced edge damage risk.
Stepless® ear clamps with 360° stepless inner surface and narrow 5 mm band for concentrated seal compression.
360° Stepless® ear clamps with a narrow 5 mm band for concentrated sealing. Tamper-evident and lightweight; side jaw tool sold separately.
Stepless® ear design for gap-free inner sealing and even compression.
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
Compact crankcase vent filter for reliable ventilation and easy installation.
- 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.
Compact oil cooler kit with AN #6 fittings, supplied clamps and reducers, and precision-machined components for durable, easy installation.
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.
Transparent cam cover designed to match Assault series air cleaners. Made in the USA.
Complete oil cooler kit with AN #6 fittings and frame-mount clamps.
CNC-machined billet aluminum construction for precise fit.