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AUTOLITE XP5363
Iridium
XP Xtreme Performance Spark Plugs are one of the brand's most technologically advanced spark plugs ever. With an iridium-enhanced .6 mm finewire design and patented platinum sidewire technology, these spark plugs provide better overall durability and a more focused ignition for better overall ignitability and optimum performance.

Spark Plug Type Performance Differences



How to Install Autolite Spark Plugs



Autolite Spark Plug Types
Spark Plug Firing Tips Tech Info

AUTOLITE Warranty Information
2 years for Copper; 4 years for Platinum; 5 years for Double Platinum; Limited Lifetime years for Iridium XP; 5 years for Professional Series Wire Sets
Warranty Details