The Mokuo GY6 50mm/1.97" Cylinder Head Assy designed for your Chinese Scooter Moped ATV Go Kart 4-Stroke engine, specifically the 139QMA or 139QMB GY6 100cc units. Constructed from high-quality aluminum alloy, it ensures durability and lightness. The 69mm valves provide efficient air intake and exhaust, enhancing engine performance. This aftermarket replacement part provides an enhanced engine experience, replacing the OEM parts for a more effective and engaging ride. Experience the power and thrill of your vehicle with the Mokuo GY6 Cylinder Head Assy.
