NGK BPR4HS STANDARD RESISTOR SPARK PLUG

NGK's standard plugs are constructed for longer life and optimum performance.

Features:

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Resistor: Yes
• Resistor Value: 5K Ohm
• Reach: 12.7mm (1/2")
• Hex Size: 13/16" (21mm)
• Terminal Type: Solid
• Overall Height: JIS
• Gap: .028" (0.7mm)

Center Electrode

• Material: Nickel
• Type: Standard
• Size: 2.5mm
• Projection: Projected

Ground Electrode

• Material: Nickel
• Type: Standard
• Quantity: 1