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Box of 4 Genuine Autolite 103 Copper Resistor Spark Plugs


Brand New Box of 4 Genuine Autolite Spark Plugs…

· Brand New Box of 4 Autolite Spark Plugs

· Genuine Autolite Part # 103

· 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