Description
E3 Spark Plugs
15-22 6.2L Hellcat / Demon / Trackhawk
E3.74
The E3.74 Automotive Spark Plug is a high-performance ignition solution designed for vehicle engine. Built to handle the intense pressures and heat of high-horsepower applications, the E3.74 incorporates E3’s patented DiamondFIRE electrode technology to optimize combustion and spark efficiency.The three-leg ground electrode design ensures maximum stability and superior heat transfer, creating more turbulence in the combustion chamber for a faster flame front and more complete fuel burn. This results in increased horsepower, improved throttle response, reduced fuel consumption, and lower emissions—critical for both performance and efficiency in high-output engines.The E3.74 features a 14mm thread diameter, 1.000” reach, and a tapered seat for secure, high-pressure sealing. With a fixed DiamondFIRE gap, 5/8″ hex, and resistor for radio interference suppression, it installs easily and lasts long, offering up to 100,000 miles or 5 years of dependable service in even the most demanding environments.
Advanced Electrode Design:
- DiamondFIRE Side Wire for faster, stronger combustion
- Triple-leg ground electrode for structural strength and superior heat transfer
- Fixed, factory-set gap for consistent performance
Performance Benefits:
- Increases horsepower and acceleration
- Enhances combustion efficiency
- Improves fuel economy
- Lowers hydrocarbon emissions
- Ideal for high-performance and forced induction engines
Technical Specifications:
- Thread Diameter: 14mm
- Thread Reach: 1.000″
- Seat Type: Taper
- Hex Size: 5/8″
- Tip/Gap: Fixed DiamondFIRE (Non-Adjustable)
- Resistor: Yes
Longevity:
- Backed by a 5-Year / 100,000-Mile Warranty
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