Float valve seat kit for Keihin FCR (MX) carburetors.

Genuine Keihin, high quality parts.
This fits:

• Keihin FCR racing carburetors
• single Keihin FCR racing carburetors
• single Keihin FCR carburetors
• Keihin FCR MX carburetors (which have a removable float valve seat).

You will get:

• 3.8 float valve seat
• float valve
• o-ring.