Step up to platinum. A center wire platinum firing tip provides improved performance and durability*. They fire quicker and cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy versus standard plugs.
Features & Benefits:
Platinum center wire firing tip for improved performance.
Super conductive Yttrium enhanced ground electrode provides superior heat transfer
Full platinum tip assures virtually no gap erosion for longer plug life
Leak proof, heat fused resistor for durability
*Compared to standard copper 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: 5614238
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