Keep your engine running smoothly with a genuine NGK spark plug. The BPR4ES is a standard, solid-type spark plug with a resistor, known for its reliability and consistent performance. NGK's famous 'Trivalent Metal Plating' on the threads provides excellent anti-corrosion and anti-seizing properties, making installation and future removal much easier. A good spark plug is key to efficient combustion, which can lead to better fuel economy, lower emissions, and smoother engine operation. This is a single plug, so make sure it's the correct one for your specific vehicle, lawnmower, or other small engine – always check your owner's manual or use a fit guide. When it's time for a tune-up, trust NGK, a brand that mechanics and DIYers have relied on for decades. Made in Japan with top-tier quality control.