Honda TRX450R Billet Aluminum AirBox Adapter / Velocity Stack for Keihin FCR-MX carburetors.

This fits the carburetors with Non-Removable adapter.

34mm added length to carburetor

43.5mm total length

You will need to file the small lip of the back of the carburetor fitting in order to fit this adapter.

A good adhesive or epoxy is recommended to prevent movement that will lead to air leak.

Several Keihin FCR / FCR-MX carburetor parts in stock - See My other items

A wide range of Carburetors, Carburetor parts, Vent line kits, Gasket kits, jetting components are in stock. If you don't see something you need please ask.