Engine
Active filters
Top-quality primary gasket with silicone beading. Meets or exceeds OEM specifications. Made in the USA.
Gasket kit for derby and inspection cover applications. Genuine James Gaskets construction with Foamet® sealing technology. Made in the USA.
Durable o-ring designed to seal throttle-to-intake connections and prevent air leaks for consistent throttle response.
- 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.
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.
Used when the O-ring ridge is broken or bent to restore sealing and prevent oil leaks.
Offered in RCM or Foamet® constructions; Foamet has an aluminum core with expanded nitrile rubber coatings.
Top-quality gaskets, oil seals and O-rings for a complete top-end rebuild. Made in the USA.
Replacement gasket for cam chests; made in the USA.
Precision-cut seals for the transmission top area that help reduce leaks and simplify routine service. Made in the USA.