Active filters
Manufactured at leading OEM factories (mainly Japan). Made to exact OEM specifications for reliable crankshaft support and long service life.
Precision-made at leading OEM factories in Japan. Produced to exact OEM specifications for reliable performance and long service life.
Precision main bearing made to OEM specifications for reliable performance.
360° Stepless® ear clamps with a 5 mm band for concentrated seal compression. Tampering visible; lightweight design. Side jaw clamp pincher tool sold separately.
360° Stepless® ear clamps with narrow 5 mm band, tamper-evident, lightweight, and reduced edge damage risk.
Stepless® ear clamps with 360° stepless inner surface and narrow 5 mm band for concentrated seal compression.
360° Stepless® ear clamps with a narrow 5 mm band for concentrated sealing. Tamper-evident and lightweight; side jaw tool sold separately.
Stepless® ear design for gap-free inner sealing and even compression.
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
Includes rings for one piston only. Designed to fit only matching pistons.
Includes rings for one piston only. Fits only matching pistons. Check service manual for installation specs.
Includes rings for a single piston; verify piston compatibility before ordering.
Complete top-end kit with forged aluminum pistons, X-Ring package, rings, retainer clips and chrome piston pins for reliable performance.
Complete top-end piston kit with X-Ring package and all necessary installation hardware.
- 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.
Complete top-end piston rebuild kit with X-Ring package and hardware. Made in the USA.