The Champion 401 Copper Plus Spark Plug (RS12YC) is designed to provide reliable ignition, smooth engine operation, and efficient combustion. Featuring a copper core and nickel alloy electrode, it ensures consistent spark, optimal heat dissipation, and resistance to fouling. Ideal for automotive and small engine applications, the RS12YC offers dependable cold starts, improved fuel efficiency, and long-lasting performance.
Copper core enhances conductivity and heat transfer
Nickel alloy electrode resists fouling, corrosion, and wear
Pre-gapped for quick and accurate installation
Provides smooth idle and reliable cold-start performance
Brand & Part Number: Champion 401 (RS12YC)
Material: Copper Core with Nickel Alloy Electrode
Thread Size: 14mm
Reach: 0.46 in. (11.7mm)
Gap: Pre-gapped (~0.035 in.)
Ensure reliable ignition and optimal engine performance with Champion 401 Copper Plus Spark Plugs!
$4.99 $2.99
$9.99 $5.99
