Autolite XP Iridium/Spark Plug

Vehicle Specific
Part Number: XP3926
Features & Benefits

Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6 mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double iridium-enhanced alloy technology center electrode for improved durability and wear resistance. Autolite is an official NASCAR performance partner.

  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • The official plug of NASCAR
Product Details
Part Number: XP3926
Weight: 0.09 lbs
Center Electrode Core Material: Copper
Center Electrode Design: Fine Wire
Center Electrode Tip Material: Platinum/Palladium/Iridium Alloy
Drive Size: 16mm
Ground Electrode Tip Material: Ni/Si/Al Alloy wire w/ Pt/Pa/Ir alloy
Insulator Material: Ceramic
Insulator Type: Projected
Resistor: Yes
Seat Style: Gasket
Thread Size: 14 mm
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
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    Autolite XP Iridium/Spark Plug


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