NGK 7823 Spark Plug BPR4HS For Honda and Yamaha

NGK 7823 / BPR4HS NGK standard plugs are constructed for longer life and optimum performance. 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 Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
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

Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 4
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

• Mfg Part No: 7823 BPR4HS
• Related Part No: 7823 BPR4HS