Engine

Active filters
Stepless® ear clamps deliver a 360° gap-free seal with a narrow 5 mm band. Specially formed edges reduce damage and tampering is visible. Lightweight design. Side jaw clamp tool sold separately.
Stepless® ear clamps designed for fuel systems. 360° stepless inner surface, narrow 5 mm band for concentrated seal compression, tamper-evident. Tool sold separately.
- Specially formed strip edges reduce risk of damage.
- Narrow 5 mm band for concentrated seal compression.
- 360° Stepless® design with no gaps on the inner surface.
- Tampering is visible; lightweight design.
360° Stepless® design for a continuous inner seal, narrow 5 mm band for concentrated compression, tamper-visible and lightweight.
Compact crankcase vent filter for reliable ventilation and easy installation.
Protects the oil pump and cam plate from debris. Ideal when doing cam bearing work. Does not restrict oil flow; lowers oil temperature 5–10°F. Easy to install and clean. For use with OEM oil pumps only.
Heavy-duty, super-high-tensile alloy construction; reinforced in crack-prone areas; replaces two-bolt and four-bolt top case OEM mounts; fits over studs and starter shaft; made in the U.S.A.
Heavy-duty replacement seals for the Harley-Davidson TSM connector to maintain a watertight connection.