Engine
Active filters
Quick 60 second install for a permanent trail-side fix. Rubber grommet expands to lock the stem; compatible with most tubeless rims. For offroad use only.
Durable replacement for inner tube air ports with tool-free installation.
Durable points cover with precision fit for restoring and protecting the ignition assembly. Made in the USA.
Precision-machined points cover with durable construction. Made in the USA.
Shields exposed hoses from abrasion and heat; durable spring steel construction and made in the USA.
Transparent cam cover that matches Assault series air cleaners and allows internal inspection. Made in the USA.
Protects hoses from abrasion and heat.
Made in the USA.
Transparent cover for viewing internal engine components. Matches the Assault series air cleaners. Made in the USA.
Durable hose protector that shields hoses from abrasion and heat. Made from stainless spring steel. Made in the USA.
Transparent cover for viewing internal engine components; matches Assault series air cleaners. Made in the USA.
Slim cam cover with a cut-away corner for improved floorboard clearance. Hardware included. Made in the USA.
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
Heavy-duty replacement seals for the Harley-Davidson TSM connector to maintain a watertight connection.
- 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.