Champion 587 Spark Plug

Champion Copper Plus Spark Plug Overview

The Champion Copper Plus 587 spark plug is engineered for reliable ignition performance in small engine applications. Designed with durable nickel and copper alloy materials, this spark plug supports consistent combustion and efficient engine operation.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for stable spark delivery
• Pre-set gap size of 0.025 inches (0.64 mm) for optimal ignition
• Flat seat type ensuring proper sealing
• Thread diameter of 14 mm (0.551 inches) with 0.438 inch reach
• Heat range rating of 8 for balanced thermal performance
• Removable nut electrical terminal type for easy installation
• No resistor type for direct spark conduction
• Hex size of 20.65 mm (0.813 inches) for standard wrench compatibility

Detailed Product Description

The Champion Copper Plus 587 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a reliable spark for small engines. Its flat seat design ensures a secure fit and proper sealing within the combustion chamber. The pre-gap size is factory set at 0.025 inches (0.64 mm), which helps maintain consistent ignition timing and performance. With a heat range of 8, this spark plug is suitable for a variety of small engine applications, balancing heat dissipation and combustion efficiency. The 14 mm thread diameter and 0.438 inch reach make it compatible with many small engine models requiring this specification.

About the Champion Copper Plus Product Line

The Copper Plus line by Champion is tailored for small engine ignition needs, combining copper core technology with durable electrode materials. This product line focuses on delivering consistent spark performance and longevity in demanding operating conditions. The 587 spark plug exemplifies these qualities, making it a practical choice for small engines requiring dependable ignition components.

Common Applications and Issues Addressed

• Replacement for worn or fouled spark plugs in small engines
• Improves engine starting reliability in lawn mowers, generators, and other small equipment
• Helps reduce misfires caused by electrode wear or improper gap
• Supports stable combustion to prevent rough idling or power loss
• Addresses ignition problems related to corrosion or electrode degradation

Installation Notes and Tips

• Verify compatibility with your small engine model before installation
• Use a 20.65 mm (13/16 inch) spark plug socket for removal and installation
• Check and adjust the spark plug gap if necessary, maintaining the factory pre-gap of 0.025 inches (0.64 mm)
• Apply anti-seize compound on threads if recommended by the engine manufacturer
• Tighten to the engine manufacturer’s specified torque to avoid damage

Quality Assurance and Warranty

Champion spark plugs, including the Copper Plus 587, are manufactured to meet industry standards for ignition components. While specific warranty details may vary, Champion products typically come with a limited warranty against manufacturing defects. For precise warranty information, consult the product packaging or Champion’s official documentation.