Motorcycle Carburetor Choke for HSR - HD HSR42 HSR45 HSR48 CV40 42/45/48mm - Carb 990-662-002 Description: Carburetor Choke as shown in the image. Compatible with HSR, HSR42, HSR45, and HSR48 carburetors. Suitable for American Classic Motors Bobber Swing Arm and Chopper Rigid models. Specifications: Material: Metal and Plastic Length: 25 cm / 9.84 inches Carburetor Type: HSR42, HSR45, HSR48 Manufacturer Part Number: 990-662-002 Features: Designed to match factory specifications. Compatible with the vehicle setup. Simple installation process; no drilling or cutting needed. Professional installation is advised. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.