Specs
- Manufacturer: NGK
Videos
Details
NGK 6431 BU8H Surface Gap Plug
Surface Gap Plugs are Nearly Immune to Pre-Ignition, and Usually Require a Special High Energy Ignition System. They Can be Susceptible to Fouling, Especially in Colder Applications, but May be Necessary in High Compression Applications.
- 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
Features
- Solid Terminal
- Semi-Surface Discharge
- Corrugated Ribs
- Copper Core
Shell
- Thread Size: 14mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Resistor: No
- Reach: 12.7mm (1/2")
- Hex Size: 13/16" (21mm)
- Terminal Type: Solid
- Overall Height: ISO
- Gap:. 016" (0.4mm)
Center Electrode
- Material: Nickel
- Type: Standard
- Size: 2.5mm
- Projection: Non-Projected
Ground Electrode
- Material: Nickel
- Type: Surface Discharge
Specifications
- Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
- Brand: NGK
- Heat Range: 8
- Longevity: 30k
Note: Image for reference only, actual product may vary.
Manufacturer Part Number: BU8H
Manufacturer Stock Number: 6431