NGK BPR4ES Standard Nickel Sparkplug

NGK BPR4ES Standard Nickel Sparkplug - 6578

NGK BPR4ES Spark Plug is built for long life and consistent performance. Featuring a copper core for efficient heat removal and a nickel electrode for durability, it delivers reliable ignition across small engines and equipment. Trivalent metal plating resists corrosion and seizing, while the resistor design reduces electrical interference for smooth operation.

Features

• Copper core improves heat dissipation
• Trivalent plating prevents corrosion & seizing
• Corrugated ribs help prevent flashover
• Ceramic insulator enhances strength & heat transfer
• Triple seals reduce risk of leakage
• Resistor design (5k Ohm) for interference suppression

Specifications

• Thread Diameter: 14mm
• Thread Pitch: 1.25mm
• Reach: 19mm (3/4")
• Hex Size: 13/16" (21mm)
• Gap: 0.031" (0.8mm)
• Heat Range: 4
• Electrode Material: Nickel (center & ground)
• Seat Type: Gasket
• Terminal Type: Solid

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