NGK Iridium Spark Plug (Heat Range 9)
NGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions.
•Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
•Iridium Alloy has an Extremely High Melting Point, Perfect for Today's High-Tech, High Performance Engines
•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
Specifications:
Shell
Thread Size: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
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: 1.0mm
Projection: Non-Projected
Ground Electrode
Material: Platinum
Type: Slant
Quantity: 1
Torque Specs:
Cast Iron: 18-25.3 lb. ft.
Aluminum: 18-21.6 lb. ft.
Brand: NGK
Heat Range: 9
