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Zex PowerTune V8 Spark Plugs (Non turbo vehicles up to 400hp)
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.
Average plugs rely only on their designed heat range to keep them from fouling. While this is fine for the narrow operating range of stock engines, it’s not the best choice for modified, high-performance engines. ZEX developed Clean Fire Technology which not only uses an optimized heat range, but also uses spark from three side-gapped ground straps to super clean the center electrode. This maximizes available ignition power and ensures dependable performance.
When you look at all this new plug technology, its clear ZEX has a better choice for those serious about performance. Two different plugs have been developed with optimized heat ranges for the specific modifications and power levels you have.
Price is per plug
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.
Average plugs rely only on their designed heat range to keep them from fouling. While this is fine for the narrow operating range of stock engines, it’s not the best choice for modified, high-performance engines. ZEX developed Clean Fire Technology which not only uses an optimized heat range, but also uses spark from three side-gapped ground straps to super clean the center electrode. This maximizes available ignition power and ensures dependable performance.
When you look at all this new plug technology, its clear ZEX has a better choice for those serious about performance. Two different plugs have been developed with optimized heat ranges for the specific modifications and power levels you have.
Price is per plug
Application Guide If your vehicle is listed below, these spark plugs will fit your application. This plug is optimized for naturally aspirated engines (no turbo and no supercharger)
| VEHICLE | YEAR | ENGINE | POWER TUNE™ | POWER RACER™ (nitrous, blower, turnbo) |
| CHEVROLET | ||||
| TRUCKS | 1996-2003 | 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 7.4L, 8.1L |
82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| CAMARO Z28 AND SS |
1993-2002 | 5.7L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| CORVETTE | 1992-2003 | 5.7L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| IMPALA SS | 1994-1996 | 5.7L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| FORD | ||||
| TRUCKS | 1997-2004 | 4.6L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| TRUCKS | 1997-2003 | 5.4L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| F150 LIGHTNING | 1993-1995 | 5.8L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| F150 LIGHTNING, SUPERCHARGED |
1999-2004 | 5.4L | --- | 82071-8 (Set of 8) 82071-1 (Single) |
| MUSTANG GT | 1996-2004 | 4.6L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| MUSTANG COBRA | 1993-2001 | 4.6L, 5.0L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| MUSTANG COBRA, SUPERCHARGED |
2003-2004 | 4.6L | --- | 82071-8 (Set of 8) 82071-1 (Single) |
| MUSTANG MACH 1 | 2003-2004 | 4.6L | 82070-8 (Set of 8) 82070-1 (Single) |
82071-8 (Set of 8) 82071-1 (Single) |
| PONTIAC | ||||
| FIREBIRD FORMULA & TRANS AM |
1993-2002 | 5.7L | 82070-8 (Set of 8) 82070-1 (Single) |
82070-8 (Set of 8) 82070-1 (Single) |
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