NGK R6252K-105 Racing Spark Plug

The NGK R6252K-105 is one of two spark plugs that are now Spec in the SKUSA X30 Class. This is s Resistor Plug.

NGK's Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions.

• Fine Wire Center and Ground Electrodes Provide Enhanced Ignitability
• Gold Palladium Center Electrode and Platinum Tipped Ground Electrode Improves Ignitability, Increases Durability and Enhances Anti Fouling Capabilities
• 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

Specs:
Thread Size: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Resistor: Yes
Resistor Value: 5K Ohm
Reach: 19mm (3/4")
Hex Size: 13/16" (21mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .031" (0.8mm)