Champion Rj12yc Copper Spark Plug, 13/16 In. Hex

The Champion RJ12YC is a resistor spark plug with a copper core design built for reliable ignition in 4-cycle engines used in automotive, small engine, and marine equipment. This spark plug features a standard projected core nose and is engineered to deliver dependable performance across a variety of applications. The copper core electrode provides increased conductivity and superior heat control, ensuring excellent wear characteristics that keep your engine running smoothly.

Whether you're maintaining a lawn mower, powering a generator, servicing an outboard motor, or working on automotive equipment, the RJ12YC is designed to meet and exceed the warranty requirements of vehicle and engine manufacturers. Its adaptable design and high-performance construction make it a trusted choice for mechanics and DIY enthusiasts looking to maintain or enhance engine performance and efficiency.

Features and Benefits

• Copper Core Design: The copper core electrode provides excellent conductivity and heat control for superior performance and longevity under demanding conditions.
• Resistor Plug: This RJ12YC is built as a resistor plug for 4-cycle engine applications.
• Optimal Gap Range: The spark plug features a check gap of 0.033 to 0.038 inches, ensuring optimal performance and efficiency in your engine.
• Standard Projected Nose: Features a standard projected core nose design for reliable ignition.
• Universal Compatibility: The RJ12YC is compatible with various 4-cycle engines, making it a versatile choice for automotive, small engine, and marine applications.
• Quality Construction: Built to meet and exceed manufacturer warranty requirements, giving you confidence in reliability and performance.

Specifications

• Brand: Champion
• Model: RJ12YC
• Plug Type: Resistor spark plug
• Core Design: Copper core
• Thread Size: 14mm
• Reach: 3/8 in
• Hex Head Size: 13/16 in
• Fill Gap: 0.033 to 0.038 in
• Application: 4-cycle engines (automotive, small engines, marine equipment)