Pack of 10 Pieces 4mm Main Jet M4 for GY6 50cc 139QMB PZ19 Keihin OKO KOSO PWK Mikuni Keihin Carburetor

High-concerned chemical：None Model Name：for GY6 50cc 139QMB Scooter Carb PZ19 Carburetor Origin：Mainland China Item Type：Air Filters & Systems Condition：New Diameter of head：5mm Total Length：7mm Thread：4x0.7mm

High-concerned chemical: None Model Name: for GY6 50cc 139QMB Scooter Carb PZ19 Carburetor Origin: Mainland China Item Type: Air Filters & Systems Condition: New Diameter of head: 5mm Total Length: 7mm Thread: 4x0.7mm