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
• Sold individually

Features

• Removable Terminal
• Racing Series Spark Plug
• Fine Wire Center Electrode
• Hardened Ceramic

Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Resistor: No
• Reach: 19mm (3/4")
• Hex Size: 13/16" (21mm)
• Terminal Type: Removable Nut
• Overall Height: ISO
• Gap:. 024" (0.6mm)

Center Electrode

• Material: Nickel
• Type: Fine Wire
• Size: 1.3mm
• Projection: Non-Projected

Ground Electrode

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

Specifications

• Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
• Brand: NGK
• Heat Range: 9