CV Carb Jetting Mixture Screw. Fits Big Twin 1990-2006 & Sportster 1988-2006.

Tuning your Harley-Davidson CV Keihin carburetor is a little bit easier with this custom EZ Mixture screw.

Once installed, a quick turn with your fingers allows you to adjust and fine tune the air/idle mixture for better idle control, low speed performance while eliminating hesitation.

It gives you more fine tuning options without burning your fingers or fumbling with a screwdriver