E3 Spark Plugs E3.102 DiamondFIRE Racing Spark Plug 14mm Cold Heat Range

The E3 Spark Plugs E3.102 is a premium racing spark plug engineered for high-performance and high-compression racing applications. This 14mm spark plug features a 0.750-inch reach, 5/8-inch hex, and gasket seat design for reliable sealing in demanding conditions.

Key Features:

• Patented DiamondFIRE ground electrode design for superior performance and durability
• Cold heat range for high-performance racing engines (one heat range hotter than E3.101)
• Non-resistor design optimized for racing ignition systems
• Dual-leg ground electrode attachment provides excellent heat transfer and stability
• Full-size center electrode ensures optimal spark consistency
• 14mm thread diameter with 0.750-inch reach and 5/8-inch hex
• Gasket seat for secure, leak-free installation

Performance Benefits:

• Increased power output in high-compression racing engines
• Reduced fuel consumption for improved efficiency
• Lower hydrocarbon emissions over extended use
• Enhanced ignition reliability under extreme racing conditions
• Extended service life compared to conventional racing plugs

The E3.102's unique DiamondFIRE ground electrode is secured to the shell with two legs, creating exceptional stability for the side wire while maintaining superior heat dissipation. This innovative design has been proven to deliver measurable improvements in power, fuel economy, and emissions in long-term racing applications.