Compact adapter for secure hose and connector joins; easy to install and maintain.
Engine
Active filters
Lightweight anodized hose end engineered for universal hoses; precision-machined and sold individually.
- 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.
Absorbs axial loads on the camshaft; precision machined for reliable performance.
Two-piston kit with forged crowns, precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating for improved durability and sealing.
Durable forged piston kit with low-friction skirt coating; includes two pistons, rings, pins and circlips, made in the USA.
High-strength forged piston kit with ArmorGlide® skirt coating for reduced friction and improved scuff resistance. Includes pistons, rings, pins and circlips. Made in USA.
Premium forged pistons with precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating; complete kit with pins and circlips.
High-strength forged pistons with precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating; two-piston kit includes pins and circlips.
Forged pistons with generous valve pockets for big valves and cams.
Includes rings, piston pins and circlips for two pistons.
Force-fed pin oiling and a pressure-seal groove enhance sealing and durability.
High-performance piston kit with ArmorX™ and ArmorFit™ coatings for durability and quiet operation.
Includes pistons, rings, pins and circlips; fits OEM and Screamin’ Eagle cylinder heads.
High-performance piston kit with ArmorFit™ and ArmorX™ coatings for reduced wear, improved sealing and reliable fitment.
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.
Includes rings for one piston only.
Designed specifically for compatibility with Wiseco pistons.
- Replacement for a wide variety of Harley models.
- Quality equals or exceeds OEM specifications.
- Made in the USA.
Precision-machined spacer for motor sprocket shafts. Made in the USA.