Get dependable ignition from the Champion Copper Plus 25-1 spark plug (plug type RV17YC), which uses proven copper-core technology for consistent sparks. It fits many vehicles, among them the 1976-1979 Ford F-150, 1977-1982 Ford F-250 and 1984-1985 Ford Mustang, as a direct-fit replacement for the listed applications. See the Buyer’s Guide tab for the full list.
The copper core in the center electrode offers excellent conductivity and optimized heat control, so the plug is designed to fire consistently. A coated shell guards against corrosion.
- Copper core precision: the copper-core center electrode, with a nickel tip, allows accurate control of heat range and is designed for longer life and dependable performance.
- Corrosion resistance: the coated shell helps protect against corrosion in harsh environments.
- Built-in noise suppression: the resistor design helps minimize electrical interference that can affect sensitive electronics.
- Easy to install: it comes pre-gapped at 0.035 in (0.90 mm) and is built to meet OE fit, form and function.
Champion engineered this plug for reliable ignition in all weather conditions. It has a 14 mm thread diameter, a tapered seat, a J Gap ground electrode tip design and a built-in resistor, and it is a standard replacement grade. Washers are not included. The number of plugs needed varies by engine, and the Buyer’s Guide tab lists the quantity for each application. Minimum order quantity: 8. Country of origin: Mexico.
Interchange: 147 · 26 · 667 · 966 · RV17YC
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