E3 Releases DiamondFIRE Racing Spark Plug Wire Sets

New from E3 – the DiamondFIRE Racing Spark Plug Wire Sets. These wire sets are designed to work with their DiamondFIRE Racing Spark Plugs to maximize power and performance. See more details below.

Official Release:

E3 now offers DiamondFIRE Racing Spark Plug Wire Sets designed to specifically work in concert with DiamondFIRE Racing Spark Plugs by maximizing the power of E3’s proprietary DiamondFIRE technology.

The E3 DiamondFIRE Racing Wire Sets launched at the 2017 Performance Racing Industry Trade Show in Indianapolis sport a class F40 spiral conductor and are rated at just 40 ohms per foot. Impregnated with Ferrite, an iron alloy that improves magnetism, it allows for RFI suppression on a wire with low ohms of 40-50 per ft. The 8.5mm 100% silicone outer jacket encases a 100% silicone inner jacket with stainless steel locking terminals. E3 DiamondFIRE Racing Wires feature a rock-solid braided Aramid base core, Carblex outer core which make up part of the DiamondFIRE Tri-Core, and nickel copper alloy conductors for exceptional spark energy transfer – a design unique to E3.

Pre-terminated sets feature a high temperature micro-woven fiberglass, silicone-cased sleeve rated with 4,000 extra volts of protection and capable of withstanding in excess of 600º F. The heat shield sleeves on the E3 DiamondFIRE Racing Wires have the highest percentage of silicone compared to sleeved race wires currently on the market delivering unparalleled heat and abrasion resistance capability.

The spark plug boot ends are manufactured with high temperature silicone to withstand the same 600ºF temp as the wire sleeve, while the distributor end boots are EPDM, which delivers exceptional dielectric strength. Made for durability in the harshest race environments, E3 DiamondFIRE Racing Wires offer excellent protection from heat, abrasions and chemical contaminants.

Also available are universal build-your-own sets that come complete with all the necessary components to make your own wires. The distributor end comes unassembled, but includes Male/HEI and Female/HEI terminals for specific applications. These non-sleeved sets are available in either straight or 90º boot configurations.


  • Designed to specifically work in concert with DiamondFIRE Racing Spark Plugs
  • Rated at just 40 ohms per foot
  • 8.5mm 100% silicone outer jacket

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About the author

Chris McWilliams

Chris McWilliams grew up watching his dad race go-karts around his Southern Indiana home and started racing junior dragsters when he was 10 years old. Chris drove a UMP Mini Stock for two seasons until he totaled his racecar in an accident at Western Kentucky Speedway. He is currently a college student at Oakland City University working on a degree to pay the bills for his dirt racing addiction.
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