Champion 102 Spark Plug

Reliable Ignition Performance for Classic GM Vehicles

The Champion Copper Plus 102 spark plug is engineered to deliver consistent ignition performance for a range of Buick, Chevrolet, and Pontiac models. Designed with durable nickel and copper alloy components, this spark plug supports efficient combustion and reliable engine operation.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for stable spark delivery
• Pre-gap size of 0.030 inches (0.76 mm) for optimal ignition
• Flat seat type ensuring proper sealing
• 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 easy installation
• Manufacturer heat range rating of 6 for balanced heat dissipation

About the Champion Copper Plus Spark Plug Line

The Copper Plus line from Champion is designed to provide dependable ignition with copper core technology. This line focuses on delivering consistent spark and heat range control, which helps maintain engine efficiency and performance. The Copper Plus 102 spark plug incorporates these features with a nickel copper alloy ground electrode and a nickel center electrode tip, making it suitable for secondary ignition systems in classic GM vehicles.

Technical Details and Compatibility

The Champion Copper Plus 102 spark plug features a removable nut electrical terminal type and a single ground electrode constructed from a nickel copper alloy. It has a pre-set gap of 0.030 inches (0.76 mm) and a flat seat design to ensure proper fit and sealing. The plug’s thread diameter measures 14 mm (0.551 inches) with a reach of 0.375 inches, suitable for various ignition systems. The resistor built into the plug helps minimize radio frequency interference, supporting stable engine electronics.

Compatible Buick, Chevrolet, and Pontiac Models

• Buick Century, Skylark, Roadmaster, and Laurentian
• Chevrolet Bel Air, Camaro, Caprice, Corvette, El Camino, Impala, C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, Monte Carlo
• Pontiac Parisienne

Common Applications and Issues Addressed

• Replacement for worn or fouled spark plugs in classic GM vehicles
• Improves ignition stability and reduces misfires
• Helps maintain fuel efficiency and engine responsiveness
• Reduces electrical interference affecting vehicle electronics
• Supports consistent engine starting and smooth idling

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.030 inches (0.76 mm) as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or improper sealing. The 13/16 inch hex size allows for standard spark plug socket use. Ensure the flat seat type matches the engine’s cylinder head design for proper sealing.

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet OEM specifications for heat range and durability. The use of nickel and copper alloy materials ensures consistent performance under normal operating conditions. While specific warranty details are not provided, Champion products typically adhere to industry standards for quality and reliability.