Motorcycle Carburetor CNC Easy Adjustable Air Fuel Mixture Screw For ATV Universal Parts Condition: Brand Quantity: 1x Fuel Mixture Screw Material: 6061-T6 Aluminum Color: As shown Features: - CNC machined screw for FCR carburetors - design secures adjustment setting - Numerically calibrated for tuning memory - Includes spring, washer, and - Anodized finishing Fitment: Fits all FCR & FCR-MX Carburetors, compatible with most common 4-stroke models. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.