Champion 978 Copper Plus Spark Plug RY4C - 2 Pack

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The Champion 978 Copper Plus Spark Plug (RY4C) is designed for reliable ignition, smooth engine operation, and efficient combustion. Featuring a copper core and nickel alloy electr ode, it ensures consistent spark, optimal heat dissipation, and resistance to fouling. Ideal for small engine applications and conventional ignition systems, the RY4C delivers dependable cold starts, improved fuel efficiency, and long-lasting performance across various engines and equipment. Features & Benefits: 🔧 Copper core ensures strong spark and effective heat dissipation 🔧 Nickel alloy electrode resists fouling, corrosion, and wear 🔧 Pre-gapped for quick and accurate installation 🔧 Provides smooth idle and reliable cold-start performance Specifications: Brand & Part Number: Champion 978 (RY4C) Material: Copper Core with Nickel Alloy Electrode Thread Size: 14mm Reach: 0.46 in. (11.7mm) Gap: Pre-gapped (~0.030 in.) Ensure reliable ignition and optimal engine performance with Champion 978 Copper Plus Spark Plugs! 🔧 Show more