Keep a steady, dependable spark firing in every cylinder with the Champion Copper Plus Spark Plug 592 (plug type RJ12C), built around a copper-core center electrode for consistent ignition. It fits many vehicles, among them the 1962 Chevrolet Impala L6-3.8L, 1962-1966 Chevrolet Suburban V8-4.6L and 1957-1959 Chevrolet Bel Air V8-4.6L, as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list.
Champion's Copper Plus plugs rely on proven copper-core technology. The copper core electrode provides excellent conductivity and heat control for consistent sparks, and the coated shell guards against corrosion.
- Copper core precision: The copper-core center electrode allows accurate control of heat range and is designed for longer life and dependable performance.
- Corrosion resistance: A coated shell resists corrosion in harsh environments.
- Built-in noise suppression: Resistor technology helps protect sensitive electronics by minimizing electrical interference.
- Easy to install: Comes pre-gapped at 0.030 in (0.76 mm).
- OE-quality fit: Built to meet OE fit, form and function, and designed for reliable ignition in all weather conditions.
Specifications: 14 mm thread diameter, flat seat, crush washer included, resistor type, standard-replacement grade. Country of origin: Mexico.
Misfiring, hard starting, rough idle or sluggish acceleration may be signs a spark plug needs replacing. These symptoms can have other causes, so diagnose first. If worn plugs are the cause, this plug replaces them. The number of plugs needed varies by engine, so check the "Vehicles it fits" section for your application.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Which vehicles does the Champion 592 spark plug fit?
It fits many vehicles, including the 1962 Chevrolet Impala L6-3.8L, 1962-1966 Chevrolet Suburban V8-4.6L and 1957-1959 Chevrolet Bel Air V8-4.6L. Check the "Vehicles it fits" section to confirm your exact vehicle and engine.
Is the Champion 592 pre-gapped?
Yes. It comes pre-gapped at 0.030 in (0.76 mm) to simplify installation. Confirm the gap against your vehicle's service specification before installing.
Does it come with a washer?
Yes. The 592 has a flat seat and includes a crush washer.
What does the copper core do?
The copper-core center electrode provides strong conductivity and allows accurate control of heat range, which helps the plug deliver consistent sparks.
Is this a resistor spark plug?
Yes. It uses resistor technology designed to minimize electrical interference, which helps protect sensitive electronics.
