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⚡ Ignite your engine’s true potential with DiamondFIRE technology!
The E3.109 Premium Racing Spark Plug features patented DiamondFIRE edge-to-edge electrode technology designed to maximize power output, improve fuel efficiency by up to 5%, and reduce harmful emissions. Built with a 14mm thread diameter, 0.708” reach, and a 5/8” hex, it fits a variety of high-performance racing engines. Its unique dual-leg ground electrode enhances heat transfer and stability, ensuring consistent performance and longer spark plug life under demanding conditions.
| Manufacturer | E3 Spark Plugs |
| Brand | E3 |
| Model | E3 Spark Plugs Premium Racing Spark Plug with DiamondFIRE Technology |
| Product Dimensions | 2.54 x 10.16 x 15.24 cm; 45.36 g |
| Item model number | E3.109 |
| Exterior | Machined |
| Manufacturer Part Number | E3.109 |
| OEM Part Number | E3.109 |
| Item Weight | 45.4 g |
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