GENUINE NGK SPARK PLUG
ONE PLUG
CR9EK SPARK PLUGS
STOCK NUMBER 4548
Multi-Ground Electrodes Improve Ignition Capabilities and are Less Sensitive to Increased Voltage Requirements Due to Gap Growth.
Designed to Specific Manufacturer Ignition Requirements, NGK's Multi-Ground Plugs Maintain All the Features of Their Standard Plugs, Including:
Corrugated Ribs to Prevent Flashover
Pure Alumina Silicate Ceramic Insulator, Providing Superior Strength and Better Heat Transfer
Copper Core to Aid in Heat Removal
Triple Seals to Prevent Leakage
Shell
Thread Size: 10mm
Thread Pitch: 1.0mm
Seat Type: Gasket
Resistor: Yes
Resistor Value: 5K Ohm
Reach: 19mm (3/4")
Hex Size: 5/8" (16mm)
Terminal Type: Threaded Stud
Overall Height: ISO
Gap: .028" (0.7mm)
Center Electrode
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Projected
Ground Electrode
Material: Nickel
Type: Multi-Ground
Quantity: 1
Specifications
Torque Specs: Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
Brand: NGK
Heat Range: 9
Longevity: 30k