Champion 840 Copper Plus Spark Plug RCJ8 - 4 Pack

The Champion 840 Copper Plus Spark Plug (RCJ8) is designed to provide reliable ignition, smooth engine operation, and efficient combustion. Featuring a copper core and nickel alloy electrode, it ensures consistent spark, effective heat dissipation, and resistance to fouling. Ideal for small engine applications, such as lawn mowers, generators, and other outdoor equipment, the RCJ8 offers dependable cold starts, improved fuel efficiency, and long-lasting performance.

Features & Benefits:

🔧 Copper core ensures strong spark and optimal heat transfer

🔧 Nickel alloy electrode resists fouling, corrosion, and wear

🔧 Pre-gapped for quick and precise installation

🔧 Provides smooth idle and reliable cold-start performance

Specifications:

Brand & Part Number: Champion 840 (RCJ8)

Material: Copper Core with Nickel Alloy Electrode

Thread Size: 14mm

Reach: 0.75 in. (19mm)

Gap: Pre-gapped (~0.030 in.)

Ensure reliable ignition and optimal engine performance with Champion 840 Copper Plus Spark Plugs!

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