The NGK 6578 Spark Plug (BPR4ES) is a reliable copper-core plug built for Toro lawn mowers, delivering consistent ignition, strong combustion, and long service life in small engine applications.
🔧 Copper core provides efficient spark and heat dissipation 🔧 Trivalent plating protects threads from corrosion and seizing 🔧 Built to meet OEM performance in Toro engines 🔧 Pre-gapped for fast installation and reliable operation
Brand & Part Number: NGK 6578 BPR4ES Material: Copper Thread Size: 14mm Reach: 19mm (varies) Hex Size: 13/16 in. (varies) Seat Type: Gasket Resistor: Yes/No Gap: 0.028–0.036 in.
Choose NGK BPR4ES to keep your Toro lawn mower starting easily and running strong—order now!
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