Ngk Racing Series Spark Plugs
NGK Racing Series Spark Plugs are Engineered to Withstand the Harshest Engine Conditions.
Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions.
- Special Insulator Nose Configurations Improve Throttle Response
- Corrugated Ribs Prevent Flash over
- 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: 12mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Resistor: Yes
- Resistor Value: 5K Ohm
- Reach: 26.5mm (1.04″)
- Hex Size: 5/8″ (16mm)
- Terminal Type: Solid
- Overall Height: ISO
- Gap: .028″ (0.7mm)
Center Electrode
- Material: Iridium
- Type: Fine Wire
- Size: 0.6mm
- Projection: Non-Projected
Ground Electrode
- Material: Platinum
- Type: Slant
Specifications
- Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.
- Brand: NGK
- Heat range available: 8, 9, 10
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