CV Carb Jetting Mixture Screw. Fits Big Twin 1990-2006 & Sportster 1988-2006. BDL-CPR-100 * Replaces OEM # 60539-89

* Replaces OEM # 60539-89

which reacts like a sponge and absorbs moisture effectively

Hand washing is recommended

* Performance Machine 125X4S Caliper

* Suited for road racing

CV Carb Jetting Mixture Screw. Fits Big Twin 1990-2006 & Sportster 1988-2006. BDL-CPR-100 * Replaces OEM # 60539-89Tuning 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