1. : This Starter Relay Solenoid is made of density, quality copper coil with electrical conductivity and heat resistance, can withstand heavy use and provide longlasting performance. The silverplated contacts ensure a reliable connection, making it easier for the starter to start the engine. 2. Thoughtful Design: Crafted with quality metal, this relay solenoid is sturdy and durable. Its thoughtful design allows for direct installation, providing convenience and ease of use, and ensuring that they will hold up well over time. 3. Performance: With an applicable voltage of 12 volts, this relay solenoid offers starting power, enabling it to quickly drive the engine to turn and complete the electric start. It is suitable for Honda GX390, for GX340, for GX240, for GX270 and other engines ranging from 8HP to 13HP, including models like 188F and 190F. It is also fit for EC5500 and for EC6500 generators, as well as part numbers 63968 and 63970. 4. Compact Design: Measuring approximately 2.08 inches by 2 inches, this metal relay solenoid boasts a compact design that enables easy installation and saves space. Its small yet powerful form factor makes it an ideal choice for various applications.