Review on NGK DILKAR6A 11 Laser Iridium Spark by Jonathan Devarapalli

If you order this also order SparkPlug Gapper, I used one from CTA Tools. When I received them I found that all 4 NGK spark plugs were between 0.22 and 0.34mm. They should be 0.44. It is VERY IMPORTANT that the spark plug gap is exactly as specified by the manufacturer. The Nissan QR25de is 0.44. Although this may be known, installing a spark plug with the wrong GAP can cause problems, higher MPG consumption and, depending on how much GAP is off, even misfire. That being said, they appear to be legitimate NGK branded spark plugs. .