Champion 71-1 Spark Plug - Exhaust Side

Reliable Spark Plug for Secondary Ignition Systems

The Champion Copper Plus 71-1 spark plug is engineered to deliver consistent ignition performance for a wide range of vehicles including Ford, Honda, Toyota, and Chevrolet models. Designed as a standard replacement part, it ensures dependable engine starts and smooth operation.

• Part Number: 71-1
• Brand Line: Champion Copper Plus
• Center Electrode Tip Material: Copper for enhanced conductivity
• Ground Electrode Core Material: Nickel with nickel copper alloy ground electrode
• Pre-Gap Size: 0.035 inches (0.89 mm)
• Resistor Type: Yes, reduces electrical noise
• Seat Type: Flat with crush washer included
• Hex Size: 0.625 inches (15.88 mm) for standard socket fit
• Thread Diameter: 14 mm (0.551 inches)
• Manufacturer Heat Range: 12
• Electrical Terminal Type: Non-removable nut

About the Champion Copper Plus Spark Plug Line

The Copper Plus line from Champion is designed to provide reliable ignition with copper core electrodes that improve electrical conductivity and heat dissipation. This line is ideal for small engine applications and standard replacement needs, offering a balance of performance and durability. The 71-1 spark plug benefits from this technology, making it suitable for various automotive secondary ignition systems.

Technical Details and Compatibility

This spark plug features a standard center electrode design with a copper tip and a nickel ground electrode core, ensuring stable spark generation. The flat seat type with a crush washer provides a secure seal in the combustion chamber. With a pre-gap size of 0.035 inches, it is pre-set for optimal ignition performance. The resistor built into the plug helps minimize radio frequency interference, which is important for modern vehicles equipped with sensitive electronics.

Compatible Vehicles and Applications

• Compatible with Ford 4Runner, Mustang, and Explorer models
• Fits Honda Civic, Accord, and CR-V vehicles
• Suitable for Toyota Corolla, Camry, and Tacoma
• Works with Chevrolet Corvette, Silverado, and Malibu
• Also compatible with Jeep Grand Cherokee and Dodge Ram series

Common Issues Addressed by Champion 71-1 Spark Plug

• Engine misfires and rough idling
• Difficulty starting the engine
• Poor fuel efficiency and increased emissions
• Reduced engine power and acceleration
• Electrical interference affecting vehicle electronics

Installation Notes and Tips

Ensure the spark plug gap is checked before installation, although the 71-1 comes pre-gapped at 0.035 inches. Use a 15/16 inch (0.625 inch) hex socket for proper tightening. The flat seat with crush washer requires careful torque application to avoid leaks or damage. Always refer to the vehicle manufacturer’s specifications for torque settings and installation procedures.

Quality Assurance and Warranty

Champion spark plugs are manufactured to meet OEM standards and undergo rigorous quality control. The Copper Plus 71-1 spark plug is designed for durability and consistent performance. While specific warranty details are not provided, Champion products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.