WOOSTAR 57.4mm Piston Ring Kit for GY6 150cc Engine

The WOOSTAR 57.4mm Piston Ring Kit is designed as a replacement for the GY6 150cc 157QMJ Engine, commonly used in various Chinese ATVs, go-karts, mopeds, and scooters. This kit includes a piston with a diameter of 57.4mm, a piston pin with a diameter of 15mm and length of 42mm, and all necessary rings for installation. The product is crafted with high precision and reliability, ensuring a compact structure and exquisite workmanship. It is essential to verify the model number and size before ordering to ensure compatibility with your engine. WOOSTAR offers customer service support for any inquiries or issues. • Replacement for GY6 150cc 157QMJ Engine • Piston diameter: 57.4mm, Piston pin diameter: 15mm, Piston pin length: 42mm • Easy to install with compact structure and high precision • Verify model number and size prior to ordering • Customer service available for assistance