Champion J17LM Small Engine Copper Spark Plug – 0.023‑0.028in Gap, 0.551in Thread, 0.813in Hex

Introducing Champion J17LM Copper Spark Plug for Small Engines, a precision‑engineered ignition component designed to deliver consistent performance in lawn mowers, generators, and other compact power tools. Crafted from high‑conductivity copper, this plug features a finely tuned 0.023‑0.028 in spark gap, a 0.551 in threaded base, and a 0.813 in hex head for effortless installation.

Why choose this spark plug? Its copper core ensures rapid electrical transfer, reducing misfires and improving fuel efficiency. The exact gap spacing provides a reliable spark at low rpm, helping your equipment start quickly and run smoother, even under heavy loads.

• Optimized Spark Gap (0.023‑0.028 in): Guarantees a strong, stable spark for reliable ignition in small‑engine applications.
• Copper Conductivity: Maximizes electrical flow, lowering resistance and extending plug life.
• Standard Thread (0.551 in) & Hex Size (0.813 in): Fits a wide range of OEM and aftermarket small engines for hassle‑free replacement.
• Durable Construction: Heat‑resistant materials withstand high‑temperature cycles, preventing premature wear.
• Easy Installation: Hex head design allows quick hand‑tightening with common tools, reducing downtime.

Experience dependable power: With the Champion J17LM copper spark plug, you gain a trustworthy ignition source that enhances start‑up reliability, boosts engine efficiency, and supports longer service intervals. Ideal for homeowners, landscapers, and anyone who relies on small‑engine equipment daily, this plug delivers the performance you expect from a leading brand.