Champion 806 Spark Plug

Reliable Spark Plug for Buick, Oldsmobile, Pontiac, and Rover

The Champion Copper Plus 806 spark plug is engineered to deliver consistent ignition performance for select Buick, Oldsmobile, Pontiac, and Rover models. Designed with durable nickel and copper alloy materials, this spark plug supports efficient combustion and engine reliability.

• Ground electrode core and center electrode tip made of nickel for durability
• Pre-set gap size of 0.030 inches (0.76 mm) for optimal spark
• Flat seat type with 0.5 inch reach and 14 mm thread diameter
• Hex size of 0.813 inches (20.65 mm) for standard installation tools
• Insulator height and projection of 0.06 inches for proper fit
• Manufacturer heat range rating of 92 suitable for small engine applications
• Removable nut electrical terminal type for flexible connection

Champion Copper Plus Product Line Overview

The Copper Plus line from Champion focuses on spark plugs that combine copper core technology with durable electrode materials to enhance conductivity and wear resistance. The 806 spark plug benefits from this design approach, providing reliable ignition performance for small engine applications in vehicles like the Buick Cutlass, Oldsmobile Skylark, Pontiac Tempest, and Rover 3500.

Technical Details and Specifications

This spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, which contribute to stable spark generation and longevity. The pre-gap size is factory set at 0.030 inches (0.76 mm), ensuring proper spark gap without additional adjustment. The flat seat design and 0.5 inch reach accommodate the combustion chamber requirements of compatible engines. With a thread diameter of 14 mm (0.551 inches) and a hex size of 0.813 inches (20.65 mm), installation is compatible with standard tools. The insulator height and projection of 0.06 inches help maintain correct electrode positioning for efficient ignition.

Applications and Problem Solving

• Restores proper ignition in Buick Cutlass, Oldsmobile Skylark, Pontiac Tempest, and Rover 3500 engines
• Addresses misfires caused by worn or damaged spark plugs
• Improves cold start performance and fuel efficiency
• Reduces engine hesitation and rough idling
• Prevents fouling and electrode wear in small engine ignition systems

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model. The Champion Copper Plus 806 spark plug uses a removable nut electrical terminal, allowing for flexible connection options. Use a torque wrench to tighten the spark plug to manufacturer specifications to avoid damage to the threads or combustion chamber. The flat seat and 0.5 inch reach require proper seating to ensure a secure fit and optimal performance.

Quality Assurance and Warranty

Champion spark plugs are manufactured to meet strict quality standards for ignition components. The Copper Plus 806 spark plug is designed for durability and consistent performance in compatible Buick, Oldsmobile, Pontiac, and Rover vehicles. While specific warranty details are not provided here, Champion products typically come with manufacturer-backed quality assurance to support reliable operation.