Includes, FCR racing GSXR YZF R1 R6 CBR ZX7 ZX9 ZRX GSX. (does NOT fit Keihin FCR MX ca rburetors). all Keihin FC R racing carburetors. several Keihin CVK carburetors. We understand that this part is fitted toGENUINE Keihin carbs.The thread form is 4.5 mm x 0.75 pitch.
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