Champion 854 Spark Plug

Reliable Spark Plug for Chrysler, Ford, and Lincoln Vehicles

The Champion Copper Plus 854 spark plug is engineered to deliver consistent ignition performance for select Chrysler, Ford, and Lincoln models. Designed with durable nickel components and a resistor to reduce electrical interference, this spark plug supports efficient engine operation in vehicles like the Ford F-100 and Lincoln Continental.

• Ground electrode core made of nickel for durability
• Nickel center electrode tip for reliable spark conduction
• Pre-gap size of 0.030 inches (0.78 mm) for optimal ignition
• Flat seat type ensuring proper sealing and fit
• Resistor type included to minimize radio frequency interference
• Thread diameter of 14 mm (0.551 inches) with 0.438 inch reach
• Hex size of 20.65 mm (0.813 inches) for standard installation tools
• Manufacturer heat range rating of 10 suitable for small engine applications

Detailed Features of Champion Copper Plus 854 Spark Plug

The Champion Copper Plus spark plug line is designed to provide dependable ignition with copper core technology that enhances conductivity and heat dissipation. The 854 model features a nickel copper alloy ground electrode and a nickel center electrode tip, which contribute to consistent spark generation and extended service life. Its flat seat design ensures a secure fit in the combustion chamber, while the removable nut electrical terminal type allows for flexible installation options. The resistor built into the plug helps reduce electromagnetic interference, which can affect vehicle electronics.

Compatible Vehicles and Applications

This spark plug is compatible with a range of Chrysler, Ford, and Lincoln vehicles, including:

• Ford F-100, F-250, and F-350 trucks
• Lincoln Continental and Zephyr models
• Chrysler Imperial, New Yorker, and Town & Country

It is particularly suited for small engine applications requiring a heat range of 10 and a plug type RH10C.

Common Issues Addressed by Champion Copper Plus 854

• Engine misfires due to worn or faulty spark plugs
• Reduced fuel efficiency caused by inconsistent ignition
• Difficulty starting the engine in cold or damp conditions
• Radio frequency interference affecting vehicle electronics
• Premature spark plug wear from improper heat dissipation

Installation Notes and Tips

• Ensure the spark plug gap is set to the specified 0.030 inches (0.78 mm) before installation
• Use a 20.65 mm (13/16 inch) socket wrench for proper torque application
• Verify the flat seat type matches the engine’s cylinder head design
• Check thread engagement carefully to avoid cross-threading with the 14 mm diameter
• Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet OEM specifications for fit, form, and function. The 854 spark plug undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details may vary, Champion typically offers coverage against manufacturing defects to support customer confidence in their products.