Brass Air Carburetor Adjust Fuel Mixture Screw Replacement Motorcycle Acceosries Compatible for CV40 CVK34 air carburetor Air Fuel Mixture Screw Kit Quick Fixing Brass Mixture Screw Set Suitable for CV40 CVK34Features:Easily tune and adjust your idle mixture without burning your hands fumbling with a small screw driver.Crafted with high-quality brass, solid and wear-resistant, promotes the its lifespan.Shaped into knurled threaded head-, which enables you install it easily with your bare hands, better than screwdriver.Standard replacement for Big-Twin 1990-1999, XL- 883 12.Do not forget to remove the factory pre-installed welsh plug before installation.Specifications:Material: brass- Length: approx 4.1cm/1.6-inchPackage Includes:1 Set Carb Rebuild KitNote:Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.