Replacement component designed to reduce vibration and outlast the OEM part; direct-fit for easy installation.
Active filters
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
Compact crankcase vent filter for reliable ventilation and easy installation.
Includes upper and lower tubes, clips, cups, springs and washers; one kit covers a full engine.
OEM-style replacement rocker arms with bushings for reliable valve operation.
OEM-style replacement rocker arms with preinstalled bushings for improved valvetrain reliability and reduced wear.
Complete, ready-to-install connecting rod kit engineered for reliable replacement of stock components.
Chrome-plated heavy-duty mounts, 30% thicker than stock; include chrome choke/horn brackets and socket-head hardware for select PART #s.
Secure support bracket kit for air cleaner; includes all gaskets and mounting hardware. Breather kits sold separately.
Cast-iron construction meets or exceeds OEM tolerances; resists higher pressure and heat than stock.
OEM-quality cast aluminum replacement piston kit; includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).