Champion 516 Spark Plug

Reliable Ignition Performance with Champion Copper Plus Spark Plug 516

The Champion Copper Plus 516 spark plug is engineered to deliver consistent ignition performance for agricultural and light-duty vehicles. Designed with durable nickel and copper alloy materials, this spark plug supports efficient combustion and reliable engine starts.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip ensures stable spark delivery
• Pre-gap size of 0.025 inches (0.64 mm) optimized for ignition efficiency
• Flat seat type with 0.5 inch reach for secure installation
• Thread diameter of 0.709 inch (18 mm) compatible with specific agricultural engines
• Heat range rating of 16 suitable for moderate operating temperatures
• Removable nut electrical terminal type for flexible connection options
• Hex size of 0.875 inch (22.23 mm) for standard wrench compatibility
• Non-resistor type spark plug designed for agricultural applications

Detailed Features and Specifications

The Champion Copper Plus 516 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a balance of conductivity and wear resistance. Its flat seat design and 0.5 inch reach ensure proper sealing and fitment in compatible engines. The pre-gap size of 0.025 inches (0.64 mm) is factory set to optimize spark efficiency and combustion. With a heat range of 16, this plug is suited for engines operating under moderate thermal conditions, commonly found in agricultural machinery. The removable nut electrical terminal allows for versatile installation options, while the hex size of 0.875 inch (22.23 mm) fits standard tools for ease of maintenance.

About the Champion Copper Plus Product Line

The Copper Plus line from Champion focuses on spark plugs that combine copper core technology with durable electrode materials to enhance ignition reliability. This product line is tailored for agricultural and light industrial engines, providing consistent performance and longevity. The Copper Plus 516 spark plug exemplifies this approach by integrating nickel and copper alloy components designed to withstand the demands of agricultural equipment.

Common Applications and Issues Addressed

• Replacement for worn or fouled spark plugs in agricultural engines
• Improves engine starting reliability in tractors and farm machinery
• Helps reduce misfires caused by electrode wear or improper gap
• Supports stable combustion to maintain engine efficiency
• Addresses ignition inconsistencies in moderate heat range engines

Installation Notes and Tips

Before installation, verify compatibility with your specific agricultural engine model. Ensure the spark plug gap is set to the factory pre-gap of 0.025 inches (0.64 mm) if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer's recommended specifications to avoid damage to the flat seat. The removable nut terminal allows for flexible electrical connections, so confirm terminal compatibility with your ignition system. Regular inspection and replacement intervals will help maintain optimal engine performance.

Quality Assurance and Warranty

Champion spark plugs, including the Copper Plus 516, are manufactured to meet industry standards for ignition components. While specific warranty details are not provided, Champion products typically undergo rigorous quality control to ensure durability and performance in agricultural applications.