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DragSpecialties Spark Plugs - '57-'78 XL E18-6660SDS
$14.51
$10.99
Plugs have a unique look with their black ceramic body and bold red logo/script. Insulator is made of 95% pure alumina; features strong resistance to heat shock and superior insulation. Multi-rib design of insulator eliminates flashover. Nickel-plated housing prevents oxidation and corrosion. Multilayer gaskets and heat-crimping process ensure a leak-free, gas-tight fit. Copper core electrode prevents oxidation and corrosion and has good electrical and heat conductivity for long spark plug service life.