Seller notes

Upgrade your car's ignition system with this set of eight Champion (58) RJ18YC Copper Plus Spark Plugs. Designed to fit various makes and models, these spark plugs have a copper core that ensures better conductivity and heat dissipation, resulting in improved performance and fuel efficiency. The RJ18YC model number denotes the Champion's 14 mm thread, 9.5 mm (3/8") reach and 20.6 mm (13/16") hex size, making them ideal for most modern engines. These spark plugs are manufactured by Cham...

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