Better materials to give your engine better performance. Platinum-to-platinum design greatly decreases gap erosion, reduces misfires, and provides improved durability.* It's the superior-performing spark plug, providing preferred technology for DIS engines.
Features & Benefits:
- Platinum-to-platinum firing for superior durability
- Super conductive Yttrium enhanced ground electrode provides superior heat transfer
- Platinum enhanced high nickel alloy side electrode maintains precision gap
- Platinum tip assures virtually no gap erosion for longer plug life
- Maintains optimum performance and fuel economy longer
*Compared to standard plugs
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
 |
★★★★★★ |
★★★★★ |
★★ |
|
