Champion 592 Spark Plug

Reliable Ignition Performance for Classic GM Vehicles

The Champion Copper Plus 592 spark plug is engineered to deliver consistent ignition performance for a range of classic GM models. Designed with durable nickel and copper alloy materials, this spark plug supports efficient combustion and reliable engine starts in vehicles like the Chevrolet Bel Air and Pontiac Catalina.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for stable spark delivery
• Pre-set gap size of 0.030 inches (0.76 mm) for optimal ignition
• Flat seat type ensuring proper sealing and fit
• Resistor type spark plug to reduce electrical interference
• Thread diameter of 14 mm (0.551 inches) with 0.375-inch reach
• Hex size of 13/16 inch (0.813 inches) for standard installation tools
• Manufacturer heat range rating of 12 for appropriate thermal performance

About the Champion Copper Plus Spark Plug Line

The Copper Plus line from Champion is designed to provide dependable ignition components with copper core technology. This line focuses on delivering consistent spark and heat dissipation, which helps maintain engine efficiency and longevity. The Copper Plus 592 spark plug is part of this series, offering a balance of durability and performance suitable for small engine applications and classic GM vehicles.

Technical Details and Compatibility

The Champion Copper Plus 592 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, both contributing to reliable spark generation and resistance to electrode wear. The plug’s flat seat and 0.375-inch reach ensure proper fitment in engines requiring this specification. Its resistor design helps minimize radio frequency interference, which can affect vehicle electronics.

This spark plug is compatible with several GM makes and models, including Buick, Chevrolet, Chrysler, Oldsmobile, and Pontiac. Specific models include the Chevrolet Bel Air, Corvette, El Camino, and Impala, as well as the Pontiac Catalina and Roadmaster, among others.

Common Applications and Problem Solving

• Restores consistent ignition in classic Chevrolet and Pontiac engines
• Helps reduce misfires and rough idling in Buick and Oldsmobile vehicles
• Improves cold start performance in Chrysler and Newport models
• Addresses spark plug fouling and electrode wear issues
• Supports proper combustion for smoother engine operation

Installation Notes and Tips

Before installation, verify the spark plug gap is set to the pre-gap size of 0.030 inches (0.76 mm). Use a 13/16 inch (0.813 inch) hex socket for removal and installation. Ensure the flat seat type matches the engine’s cylinder head design to prevent leaks. Torque the spark plug to the manufacturer’s specifications to avoid damage to the threads or improper sealing.

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet OEM standards for fit, form, and function. The 592 spark plug undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details may vary, Champion products typically come with a limited warranty against manufacturing defects.