Engine
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Eye-catching coloured tire valves that replace originals and simplify pressure checks with an angled design.
Angled valve set that improves access for pressure checks and gives rims a standout look. Easy replacement of original valves.
Coloured 90° tyre valves that replace original valves for easier pressure checks and added style.
Long TR413 tubeless valve for motorcycles, scooters, quads and cars. 4.5 cm total, 3.5 cm visible; recommended for rims ≥12 in.
Short, straight tubeless valve suitable for 10–12" rims with an 11.3 mm valve hole. Total length 36 mm; visible length 26 mm. Durable rubber construction.
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.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Forged performance replacement for stock hydraulic roller lifters. 100% tested and made in the U.S.A.
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
- 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.