E3 Spark Plugs with DiamondFire Technology Delivers Optimal Performance
With so many performance-enhancing upgrades on the market, it’s hard to decide what your car really needs. Sometimes the simplest act, like changing your car’s spark plugs, can increase the overall performance of your vehicle. E3® Spark Plugs with DiamondFire™ Technology delivers the most powerful spark available on the market, leaving a lasting impression in your engine. The unique geometry of the E3 design provides optimized spark paths well into the useful life of the spark plug, having long-term effects on engine performance. (more…)