The Champion 71S Copper Plus Spark Plug is the RC12YC in a bulk service carton of 24, designed for a wide range of small engine and industrial power equipment applications including lawn mowers, riding tractors, snow throwers, generators, and other outdoor power equipment. The copper core center electrode provides accurate heat range control and superior conductivity, while the nickel alloy ground electrode delivers long-lasting durability and corrosion resistance. Heat range 12 provides the correct thermal characteristics for small engine and light industrial applications. Pre-gapped at 0.035 in. and built to ISO and SAE standards, these plugs are ready to install out of the box. The solid terminal accommodates standard plug wire connections without a removable nut.

Champion 71S Copper Plus Spark Plug Features:

• Designed for Small Engine and Industrial/Power Equipment Applications
• Cross-Reference: RC12YC
• 14mm x 1.25mm Thread Size
• 3/4 in. (19 mm) Reach; Gasket Seat
• 5/8 in. (16 mm) Hex Size
• Copper Core Center Electrode for Accurate Heat Range Control and Superior Conductivity
• Nickel Alloy Ground Electrode for Long-Lasting Durability and Corrosion Resistance
• Heat Range 12
• Pre-Gapped at 0.035 in.
• Solid Terminal; Non-Resistor Type