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Part # 373XP103

Autolite XP103 Racing Spark Plug, 5/8 Hex, Mid Projection

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  • Spark plugs utilize an iridium-enhanced 0.6 mm fine wire and proprietary platinum side wire
  • Engineered to provide improved durability and a more focused ignition
  • Offers a better overall ignitability providing optimum performance

$6.99

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Product Summary

Tapered Spark Plug Seat Style, 0.708" Spark Plug Reach

  • Spark plugs utilize an iridium-enhanced 0.6 mm fine wire and proprietary platinum side wire
  • Engineered to provide improved durability and a more focused ignition
  • Offers a better overall ignitability providing optimum performance
  • Core is made from copper and has an iridium tip
  • Has a 14mm x 1.25 thread pitch with a tapered seat

Key Specs

MFG. Part #XP103
Spark Plug Seat StyleTapered
Spark Plug Reach0.708"
Thread Pitch14mm x 1.25
Insulator TypeProjected

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Details

When you're passionate about performance, you need a technologically advanced plug. Autolite Iridium XP utilizes an iridium-enhanced 0.6 mm finewire and proprietary platinum sidewire for improved durability and a more focused ignition for better overall ignitability providing optimum performance.

Now with a lifetime limited warranty!

  • Thread Size 14mm X 1.25
  • Reach: 0.708"
  • Hex Size: 5/8" (16mm)
  • Seat Type: Tapered
  • Tip Configuration: Mid Projection
  • Metal Type: Iridium
  • Terminal Type: Solid

Application

Specifications

KEY SPECS
MFG. Part #XP103
BrandAutolite
Spark Plug Seat StyleTapered
Spark Plug Reach0.708"
Thread Pitch14mm x 1.25
Insulator TypeProjected
GENERAL
ResistorYes
Core MaterialCopper
Tip MaterialIridium
Wrench Size5/8"
Sold in QuantityEach