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NGK ZE21 PREMIUM CLASS SPARK PLUG WIRES, BLUE
NGK Premium Class Spark Plug Wire have original equipment identical connections, but are constructed with superior quality cabling. Increases resistance, more power to the spark plug to begin with plus longer life.
15.12 in. wire L number 1
11.18 in. wire L number 2
8.03 in. wire L number 3
6.46 in. wire L number 4
7 mm diameter
coil pack distributor terminal ends
Blue distributor boot color
Silicone distributor and spark plug boot material
Stock spark plug boot ends
Blue spark plug boot color
Ferrite core conductor style
-Built to meet stringent OEM tolerances for a variety of import vehicles
Superior firing and fuel savings, outstanding durability, consistent performance, and excellent noise suppression
-Perfect fit wire set with ferrite magnetic core layer consisting of a mixture of rubber, plastic, and powdered ferrite magnetic materials that offers uniform resistance and unsurpassed conductivity
-Utilizing variable pitch wire winding method that effectively creates resistance to radio frequency interference
-Lower resistance than conventional carbon wire cores at 8K ohm/meter versus 16K ohm/meter
-Fitted positive locking, corrosion-resistant stainless steel terminal end for tight fit and maximum resistance to vibration and separation
-Fiberglass stranded core that greatly enhances overall wire strength, high quality EPDM and silicone coverings that resists heat, oil, and chemical damage for increased durability, and custom designed terminal boots that provide an exact fit
-Numbered for easy cylinder identification and color-coded for correct and easy installation
-Does not include coil wire.