Champion 823-1 Spark Plug

Reliable Spark Plug for Buick, Chevrolet, and Pontiac Vehicles

The Champion Copper Plus 823-1 spark plug is engineered to deliver consistent ignition performance for a range of classic and small engine vehicles. Designed specifically for models like the Chevrolet Camaro, Buick Century, and Pontiac Skylark, this spark plug ensures dependable operation and efficient combustion.

• Ground electrode tip design: J gap for precise spark control
• Nickel ground and center electrode materials for durability
• Pre-set gap size of 0.030 inches (0.78 mm) for optimal ignition
• Removable nut electrical terminal type for easy connection
• Flat seat type with a 0.375-inch reach for proper fitment
• Standard replacement grade with manufacturer heat range 6
• Hex size 0.813 inches (20.65 mm) for standard tool compatibility
• Washer included to ensure secure installation

About the Champion Copper Plus Product Line

The Copper Plus line from Champion focuses on delivering spark plugs with copper core electrodes that provide reliable conductivity and consistent spark performance. The 823-1 spark plug benefits from this technology, offering a balance of durability and efficient ignition suitable for small engines and classic automotive applications.

Technical Details and Features

This Champion 823-1 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, both designed to withstand the demands of secondary ignition systems. The J gap ground electrode tip design helps maintain a stable spark, while the pre-gap size of 0.030 inches (0.78 mm) is factory set to optimize ignition timing and combustion efficiency. The flat seat and 0.375-inch reach ensure proper sealing and fitment in compatible engines. The removable nut electrical terminal type allows for straightforward installation and connection to ignition wires.

Compatible Vehicles and Applications

• Buick models including Century, Skylark, and Roadmaster
• Chevrolet models such as Bel Air, Camaro, Corvette, El Camino, C10 Suburban, C20 Suburban, K10 Suburban, and K20 Suburban
• Pontiac models including Laurentian and Parisienne

Common Issues Addressed by Champion 823-1 Spark Plug

• Misfiring or inconsistent engine ignition
• Reduced fuel efficiency due to poor combustion
• Difficulty starting the engine in cold conditions
• Engine hesitation or rough idling
• Wear-related spark plug degradation in older vehicles

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.030 inches (0.78 mm) as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the threads or improper sealing. The 0.813-inch hex size allows for standard spark plug socket use. Ensure the removable nut terminal is securely fastened to the ignition wire for optimal electrical connection.

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet OEM specifications for heat range and durability. The 823-1 spark plug is a standard replacement part designed for reliable secondary ignition performance. While specific warranty details are not provided, Champion products typically adhere to industry quality standards to ensure consistent operation in compatible Buick, Chevrolet, and Pontiac vehicles.