E3 Spark Plugs - E3 Race Spark Plug Coyote & Gen-3 Hemi

The E3 Race Spark Plug Coyote & Gen-3 Hemi is a premium 14mm, 1-inch reach tapered seat spark plug engineered specifically for high-horsepower boosted applications in Ford Coyote and Chrysler Gen-3 Hemi engines. Utilizing E3's patented DiamondFIRE ground electrode, this spark plug ensures maximum combustion efficiency and edge-to-edge spark, resulting in improved power output, better fuel efficiency, and reduced emissions. Equipped with a built-in resistor, it maintains compatibility with stock electronics, making it an ideal choice for turbocharged, supercharged, or nitrous-boosted setups.