Genuine NGK Copper Core Spark Plugs

 Set of 4 

Part: CR9EK / NGK Stock: 4548



The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. While cold-rolled threads prevent cross-threading and damage to cylinder heads and a trivalent plating eliminates the need for anti-seize. Complete with a high-grade alumina silicate ceramic


Thread Size: 10mm
Thread Pitch: 1.0mm
Seat Type: Gasket
Resistor Value: 5K Ohm
Reach: 19mm (3/4")
Hex Size: 16mm (5/8")
Terminal Type: Threaded Stud
Overall Height: ISO
Gap: 0.7mm (0.028")
Centre Electrode

Material: Nickel
Core: Copper
Type: Standard
Size: 2.5mm
Projection: Projected
Ground Electrode

Type: Multi-Ground
Quantity Supplied: 4
Specifications

Heat Range: 9