E3SP-E3104 E3 Spark Plugs E3.104 14 mm Racing Spark Plug, Thread 0.460
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E3.104 is a 14mm, 0.460” reach plug with a 5/8” hex and a taper seat. It is built to have a cold heat range, non-resistor, and is used a variety of racing applications. E3 racing plugs are fitted with its patented DiamondFIRE ground electrode, which is secured with two legs to the shell. This allows for excellent heat transfer, and provides additional stability to the side wire in these high RPM engines. The unique DiamondFIRE ground electrode is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The E3 ground electrode and full-size center electrode also provides optimal performance over an extended product life.
CROSS-REFERENCE
Autolite AR132, AR133
Champion 669, 670, V57C, V59C
NGK 3442, R5673-9
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