NGK Spark Plug

NGK Racing Series plugs are engineered to withstand the harshest engine conditions.

• Special Insulator nose configurations improve throttle response
• 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:

Sheel:

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 9.5mm (3/8")
• Hex Size: 13/16" (21mm)
• Terminal Type: Solid
• Overall Height: ISO
• Gap: 031" (0.8mm)

Center Electrode

• Material: Nickel
• Type: V-Cut
• Size: 2.5mm
• Projection: Projected

Ground Electrode

• Material: Nickel
• Type: V Cut
• Quantity: 1
• Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.
• Heat Range: 10
• Longevity: 30k Miles
• Resistor: No