DRAG SPECIALTIES Iron XL Spark Plugs - '48-'74 Big Twin

Take a risk with DRAG SPECIALTIES Iron XL Spark Plugs - '48-'74 Big Twin. These plugs boast a distinctive black ceramic body and eye-catching red logo/script. Their insulator, made of 95% pure alumina, can handle extreme heat and provides exceptional insulation. With a multi-rib design, flashover is eliminated. The nickel-plated housing resists oxidation and corrosion, while the multi-layer gaskets and heat-crimping process guarantee a gas-tight fit. Plus, the copper core electrode ensures long-lasting spark plug performance with excellent electrical and heat conductivity.

 

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