For engines with bolt-on performance parts and computer tuning up to 400hp What the other spark plug companies won't tell you: Old-style, single ground-strap spark plugs have been around since the beginning of the gasoline engine. They are easy to manufacture, cheap, and use old-school technology. Those in the know understand standard plugs are simply a compromise, designed for the average driver. When you add performance modifications like high-flow air filters, headers, performance exhaust, nitrous, or superchargers, you need stronger spark to maximize the horsepower available from these modifications. For those serious about performance, ZEX has a new spark plug, custom tailored for your level of engine modifications. Using the latest in ignition science, ZEX developed two totally new spark technologies that ensure your getting all the horsepower you paid for. Standard spark plug ground straps are typically made out of a material like nickel. While nickel is very durable, it is not the best choice for transferring spark energy or heat. The more spark energy available at the ground strap, the more power your engine can make. Likewise, the faster the ground strap can transfer heat, the better able it is to resist engine damaging detonation; that pinging sound you sometimes hear when your engine is under load. ZEX developed Igniter Core Technology, which puts a copper core inside the nickel ground strap. Copper conducts electricity and heat over four times better than nickel, but would not last by itself in a running engine. With our hybrid design, you get copper's incredible electrical and thermal properties, for optimum spark and heat transfer, yet still retain a nickel shell for long life and durability; it's the best of both worlds.

Founded in 1998, ZEX™ designs and manufactures truly superior bolt-on nitrous systems and related components. We integrate advanced engineering technology and superior customer service to provide you with the ideal nitrous solution for any application. As a member of the COMP Performance Group™, ZEX™ is able to combine R&D efforts for constant new product developments. Our innovative designs and custom-fit nitrous systems allow for easy installation and optimized performance. Patented technological developments such as our Active Fuel Control™ to adjust fuel enrichment with changes in the bottle pressure, now enable safer, more efficient nitrous injection for increased horsepower gains without sacrificing engine safety. In addition to nitrous systems, our product line also includes a full line of innovative nitrous accessories, spark plugs and much more. With ZEX's modern technology you can be sure that no power-adding option is safer, smarter or faster.