Seller notes

E3 Spark Plugs E3.74 - Automotive Spark Plug - 1 Piece Design - 8 PackE3.74 is a 14mm, 1.000” reach plug with a taper seat. It fits a wide variety of late model applications, especially Ford applications. E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon em...

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