Description Report Item 40mm Piston Pin Ring Kit Steel Stable Performance for 2 Stroke 49cc 50cc Moped Scooter Dirt Bike Feature: 1.Applicable Models: This piston pin ring kit serves as a replacement for 2 Stroke 49cc 50cc moped and dirt bikes. 2.Size: The piston diameter measures approximately 40mm/1.57in, with a pin diameter of about 10mm/0.39in and a length of 33mm/1.29in. 3.Glossy : The professional manufacturing process includes fine treatment that results in a glossy appearance with a mirror-polished effect. 4.Steel : Constructed from -strength steel materials, this piston ring pin set is characterized by hardness, resistance to breakage, rust, and aging. 5.Reliability: Manufactured in strict accordance with standards, this 40mm piston ring kit ensures reliable quality and stable performance. Specification: Item Type: Piston Ring Kit Material: Steel Piston Diameter: Approx.40mm/1.57in Pin Diameter: Approx.10mm/0.39in Pin Length: Approx.33mm/1.29in Application: Aftermarket replacement parts, ideal for replacing damaged or worn-out components, designed for direct installation. Package List: 1 x Piston 1 x Pin 2 x Ring 2 x Clip Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.