Engine
Active filters
Die-cast cover accepts OEM-style time covers, gasket and hardware.
Die-cast aluminum cam cover; bushings installed to OEM specs. Includes oil seal, mounting hardware and gasket.
Sold as a kit for two heads and includes mounting hardware for straightforward installation.
Sold as a kit for two heads; includes mounting hardware for easy installation and a clean finished look.
OEM-quality cast aluminum replacement piston kit; includes two pistons, wrist pins and clips.
OEM-quality replacement piston kit. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.
Transparent cam cover that matches Assault series air cleaners and allows internal inspection. Made in the USA.
OEM-quality cast aluminum alloy piston kit; includes two pistons, wrist pins, and clips. Rings sold separately.
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.
OEM-quality cast aluminum piston kit for Twin Cam motors; includes two pistons, wrist pins, and clips; accepts OEM or Hastings rings.
Protects the radiator from impacts and debris with durable construction for long-term use.
Direct-fit Big Bore piston for Twin Cam engines, built for durability and consistent performance.
Big bore piston for Twin Cam engines, precision-machined for durability and performance.