Copper-glass seal bonded insulator, terminal post, and center electrode provide a tight seal that is 100 percent leak-proof
Multi-rib insulator reduces danger of "flash-over" to prevent misfires
Full copper core electrode improves heat transfer and optimizes plug life
Copper core center electrode provides higher thermal conductivity
Features high alumina ceramic for high dielectric strength and steel shell for installation robustness
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Autolite Copper Core spark plugs deliver quick starts, good fuel economy, and smooth acceleration. The copper-glass seal bonded insulator, terminal post, and center electrode ensure a tight seal that is 100 percent leak-proof, and the full copper core electrode improves heat transfer and optimizes plug life. Copper Core spark plugs feature high alumina ceramic for high dielectric strength, and a steel shell for installation robustness. The multi-rib insulator reduces the danger of "flash-over" to prevent misfires, and the copper core center electrode provides higher thermal conductivity. These spark plugs are engineered with a high nickel alloy center and ground electrode for extended life.
Most Helpful Customer Reviews
fit great and fast delivery. love the price.
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