
Adapter for HSR 42/45 | Mikuni (manufacturer part number: LA-2890-00) by LA CHOPPERS. Designed for riders transforming their vintage, roadster or touring motorcycle, this adapter allows the installation of an LA Choppers air filter (xXx or Baron Big Air Kit) on Mikuni HSR 42/45 carburettors and certain S&S models. Machined from 6061 T‑6 aluminium billet, silver finish, it offers a solid and aesthetically pleasing adapter, made in the USA.
Ideal for customizers and amateur mechanics wishing to maintain a neat look while changing their intake, this adapter easily integrates into chopper, classic or touring builds. Examples of frequently associated models: Harley‑Davidson FXDB Dyna Street Bob (2014), FXSB Breakout (2013) and FLSTFB Fat Boy Special (2013). Always check compatibility with your carburettor before installation.