NGK Racing Series Spark Plug (R5671A-8)

NGK R5671A-8 Racing Series 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

Specification

Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Solid
• Overall Height: ISO
• Gap: .031" (0.8mm)

Center Electrode

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

Ground Electrode

• Material: Nickel
• Type: Standard
• Quantity: 1

Specifications

• Warranty: 1 Year
• Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
• Brand: NGK
• Heat Range: 8
• Longevity: 50,000km/30,000 Miles
• Resistor: No