Deliver a dependable spark to every cylinder with the Champion Copper Plus Spark Plug 10 (plug type J12YC), built around a copper-core center electrode for consistent ignition. It fits many vehicles, among them the 1960-1968 Chevrolet Impala 4.6L / 5.0L / 5.7L, 1966-1976 Dodge Charger 6.3L / 6.6L / 7.2L and 1967-1968 Chevrolet Camaro 5.7L, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list.
Champion's Copper Plus line pairs copper-core technology with a coated shell. The copper core gives the center electrode strong conductivity and heat control for consistent sparks, and the shell coating guards against corrosion.
- Copper core precision: the copper-core center electrode allows accurate control of heat range for dependable performance. The center electrode tip is nickel.
- Corrosion resistance: a coated shell resists corrosion in harsh environments.
- Easy to install: it arrives pre-gapped at 0.035 in (0.89 mm), and a crush washer is included for the flat seat.
- OE-quality fit: it is built to meet OE fit, form and function, and engineered for reliable ignition in all weather conditions.
Specifications: plug type J12YC; 14 mm thread diameter; flat seat; crush washer included; non-resistor type; standard replacement grade.
The number of plugs varies by engine. The listed V8 applications use eight and the listed V6 applications use six. Country of origin: China.
This part cross-references / interchanges with the following part numbers:
134, 137, 42S, 43S, 44S, B44S, C44S, M43S, 175, 4275, 72, 73, 74, 75, W125T6, W145T6, W175T6, W7F, W7FC, 9M4141, 9M4142, J10Y, J11Y, J12YC, J9Y, UJ10Y, UJ12Y, W17PU, W20PU, E352, 34, 5, 2642913, A22, A32, A42, A42C, AT42, BP6S, R56705, 1432, 1442
