Champion 300 Spark Plug

Reliable Ignition Performance for Select Vehicles

The Champion Copper Plus 300 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including Audi, Chevrolet, Honda, Mercedes-Benz, Nissan, Subaru, Toyota, and Volkswagen models. Designed with durable nickel and copper alloy components, this spark plug supports efficient combustion and engine operation.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for reliable spark delivery
• Pre-gap size of 0.032 inches (0.82 mm) optimized for ignition
• Flat seat type ensuring proper sealing and fit
• Thread diameter of 14 mm (0.551 inches) with 0.75 inch reach
• Hex size of 20.65 mm (0.813 inches) for easy installation
• Manufacturer heat range rating of 9 suitable for various engine conditions
• Removable nut electrical terminal type for flexible connection
• No resistor type, designed for specific ignition systems

Detailed Product Description

The Champion Copper Plus 300 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a balance of conductivity and wear resistance. The flat seat design ensures a secure fit in the combustion chamber, while the 0.032 inch pre-gap size supports optimal spark generation. With a heat range of 9, this spark plug is suitable for engines requiring moderate heat dissipation. The 14 mm thread diameter and 0.75 inch reach make it compatible with a variety of vehicle models, including Audi 80 Quattro, Chevrolet Camaro, Honda Civic, Mercedes-Benz 300SL, Nissan 200SX, Subaru Impreza, Toyota Celica, and Volkswagen Jetta.

About the Champion Copper Plus Product Line

The Copper Plus line from Champion is designed to provide reliable ignition components with copper core technology. This line focuses on delivering consistent spark performance and durability through the use of copper and nickel materials. The Copper Plus 300 spark plug maintains these standards, offering a balance of conductivity and longevity suitable for many domestic and import vehicles.

Common Applications and Issues Addressed

• Replacement for worn or fouled spark plugs in compatible Audi, Chevrolet, Honda, and Toyota models
• Helps resolve engine misfires caused by inconsistent spark delivery
• Improves cold start performance in vehicles like the Mercedes-Benz 300SEL and Nissan 200SX
• Addresses rough idling and poor fuel efficiency due to spark plug wear
• Supports stable combustion in vehicles such as the Subaru Impreza and Volkswagen Golf

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.032 inches before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications to avoid damage
• Check compatibility with your vehicle’s make and model, including Audi 80 Quattro and Chevrolet Camaro
• Inspect ignition wires and terminals for wear during replacement
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer

Quality Assurance and Warranty

Champion spark plugs, including the Copper Plus 300, are manufactured to meet strict quality standards for ignition components. While specific warranty details may vary, Champion products typically come with a limited warranty covering defects in materials and workmanship. Always refer to the vehicle manufacturer’s guidelines and Champion’s warranty policy for complete information.