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⚡ Ignite your engine’s true potential — race smarter, not harder!
The E3.109 Premium Racing Spark Plug features patented DiamondFIRE technology with a dual-leg ground electrode for superior heat transfer and faster flame propagation. Designed with a 14mm thread and 0.708” reach, it fits high-performance racing engines, boosting power, improving fuel efficiency, and reducing emissions. Compatible with major spark plug brands and built for durability, it’s the ultimate upgrade for serious racers and performance enthusiasts.
| ASIN | B01JLYM1D4 |
| Assembly Required | No |
| Automotive Fit Type | Universal Fit |
| Brand | E3 |
| Core Material | Copper |
| Country of Origin | USA |
| Customer Reviews | 4.2 4.2 out of 5 stars (57) |
| Date First Available | 6 May 2020 |
| Exterior | Machined |
| Generic Name | Spark Plug |
| Global Trade Identification Number | 00894489000053 |
| Item Dimensions LxWxH | 25 x 102 x 152 Millimeters |
| Item Weight | 45.4 g |
| Item model number | E3.109 |
| Manufacturer | E3 Spark Plugs |
| Manufacturer Part Number | E3.109 |
| Model | E3 Race Spark Plug |
| Net Quantity | 1.0 Count |
| OEM Part Number | E3.109 |
| Product Dimensions | 2.54 x 10.16 x 15.24 cm; 45.36 g |
| Thread Size | 14mm |
| Top Material Type | Alloy Steel |
| UPC | 894489000053 |
| Vehicle Service Type | Motorcycle |
M**E
I've been a mechanic since 1975, what people don't understand is that they don't have to put the spark plus that they call for in your lawnmower. I use the E3 plug. My lawnmower starts easy an I use less gas. Clean the plug an it will last a long time.
R**E
Good plugs, gave me 10 more hp and good gas mileage
G**P
Work very well w cold air intake and a performance chip added about 50 more hourse power
A**T
i ordered 8 plugs and only 7 in the package
C**L
Car is running much better now
Trustpilot
Hace 3 semanas
Hace 2 semanas