EXHAUST STUDS GASKET NUTS SET FOR GY6 50cc 70cc 90cc 110cc 150cc QMB139
Exhaust Studs, Gasket, and Nuts Set for GY6 50cc-150cc QMB139 Engines
This comprehensive set equips your GY6 4-stroke engine with durable metal components for a secure and leak-free exhaust system. Designed for a range of popular displacements, it’s the ideal solution for maintaining or upgrading your scooter, ATV, go-kart, or moped.
- Outer Gasket Diameter: 30mm ensures a snug fitment against the exhaust port.
- Inner Gasket Diameter: 24mm provides optimal sealing for common exhaust pipe connections.
- Bolt Size: Features approximately M6 x 32mm studs and nuts for robust fastening.
- Material: Constructed from sturdy metal for long-lasting reliability and performance under heat.
- Engine Compatibility: Specifically engineered for GY6 50cc, 70cc, 90cc, 110cc, 125cc, and 150cc 4-stroke engines found in many scooters, ATVs, and go-karts.
Compared to generic or worn-out exhaust components, this precisely manufactured set offers superior sealing and easier installation. It’s designed to meet or exceed the performance of original equipment, ensuring your engine runs efficiently without exhaust leaks, a common issue that can degrade performance and fuel economy.
Key Technical Advantages: Technology and Performance
Engineered for a Reliable Seal: This set includes high-quality exhaust studs, a precisely sized gasket, and secure nuts, all crafted from durable metal. This combination ensures a tight seal between your engine's exhaust port and muffler, preventing costly leaks that can reduce power and increase noise. The exact measurements for the gasket's inner and outer diameters, along with the M6 x 32mm bolts, guarantee compatibility and ease of installation for various GY6 engine sizes, from 50cc to 150cc. Whether you're performing routine maintenance or building a high-performance machine, these parts provide the foundation for optimal exhaust system function.

