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
★★★★★★
★★★★★
★★
OEM / Interchange Numbers: 5614281
AUTOLITE Warranty Information:2 years for Copper Spark Plugs; 4 years for Platinum Spark Plugs; 5 years for Double Platinum Spark Plugs; Limited Lifetime years for Iridium XP Spark Plugs; 5 years for Professional Series Wire Sets; 1 year for Glow PlugsWarranty Details