Automotive Spark Plugs - E3.54
E3.54 is a 14mm, 0.708” reach plug with a taper 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
hydrocarbon emissions in long-term use. The unique ground electrode and
full-size center electrode also provides optimal performance for a
guaranteed five years or 100,000 miles.