NGK Racing Competition Spark Plug R7438-9

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