Venturi insert for Keihin FCR MX carburetors.

Do you need to go bigger? With this insert, you can have you carb bored out to a whopping 43mm!
CNC machined from billet aluminum.

This fits: 37-39-40-41mm. Keihin FCR MX carburetors.

Complete as pictured.

 

Product no.: 1749

43mm Venturi insert / Keihin FCR MX flatslide carburetor

49, 90
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49,90
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