Seller notes

E3.54 Spark Plugs, Cadillac, Hummer, Mercury, Ford, Spark Plugs Set of 8 E3.54 is a 14mm, 0.708” reach plug with a tapered seat. It fits domestic applications and is widely available in automotive retail stores. 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 hydrocar...

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