Scooter owners, listen up! This is an exhaust bolt stud nut and gasket kit for GY6 engine scooters. Fits a wide range: 50cc, 70cc, 90cc, 110cc, 125cc, and 150cc models with the GY6 QMB139 engine. Brand new in original packaging – retail style. Unbranded/generic, but it's the hardware you need. Manufacturer part number doesn't apply. Type is exhaust stud nut bolt gasket set. Model compatibility: GY6 QMB139 engine, also fits some ATVs with similar engines. The unit of measure is thread size M6, which is standard for these exhaust systems. UPC does not apply. This kit includes the necessary studs, nuts, and probably a gasket to seal your exhaust manifold to the engine. Crucial for preventing exhaust leaks, which can hurt performance and sound awful. If you're doing exhaust work on your scooter, this is a must-have. Easy to install with basic tools. Saves you from buying pieces separately. Whether you're repairing a leak, replacing worn parts, or doing a full engine rebuild, this kit has the hardware. Affordable and functional. Make sure your scooter is a GY6 type before ordering, but if it is, this will fit. Keep your ride running quiet and efficient.