NGK Spark Plug BPR4ES

NGK 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.

Specifications:

• Th read Diameter: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 19mm (3/4")
• Hex Size: 13/16" (21mm)
• Terminal Type: Removable Nut
• Overall Height: JIS
• Gap: .031" (0.8mm)
• Centre Electrode Material: Nickel
• Centre Electrode Type: Standard
• Centre Electrode Size: 2.5mm
• Projection: Projected
• Ground Electrode Material: Nickel
• Ground Electrode Type: Standard
• Quantity: 1
• Resistor: Yes
• Resistor Value: 5k Ohm
• Heat Range: 4

Torque Specs:

• Cast Iron: 18-25.3 lb. ft.
• Aluminium: 18-21.6 lb. ft.

Part Information:

• Brand: NGK/NTK
• Warranty: 60 Days
• Longevity: 30k Miles