Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on Autolite copper plugs for performance and value, backed by decades of experience and passion.
Features & Benefits:
- Guaranteed to deliver quick starts, good fuel economy and smooth acceleration.
- Copper core center electrode for higher thermal conductivity
- Specially engineered high nickel alloy center and ground electrode for extended life
- High alumina ceramic for high dielectric strength
- Leak proof, heat fused internal seal for durability
- Multi-rib insulator prevents flash-over
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.  Which AUTOLITE Spark Plug Is Right For You?
| Material / Series |
Lifespan / Durability |
Performance / Ignitability |
Efficiency / Fuel Economy |
Copper / Nickel
 |
★ |
★ |
|
Platinum
 |
★★★ |
★★ |
★ |
Double Platinum
 |
★★★★ |
★★ |
★ |
Iridium XP
 |
★★★★★ |
★★★★★ |
★★ |
Iridium Ultra
 |
★★★★★★ |
★★★★★ |
★★ |
|
