- 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.
Engine
High-strength forged piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings.
High-strength piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings.
High-strength forged piston kit with premium wrist pins, carbon steel wire locks, and sealed rings for durable performance.
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.
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
Forged 2618-T6 aluminum piston kit with dome/dish crown; pins, locks and rings included.
High-strength forged piston kit for competition and extreme applications; complete with pins and rings.
Transparent cam cover designed to match Assault series air cleaners. Made in the USA.
Precision piston kit for high-performance and competition use. Includes pins, locks and rings. Made in the U.S.A.