AUTOLITE part description

Product Description

Autolite AR103 High Performance Racing Resistor Spark Plug

Features & Benefits

  • Yttrium-Enhanced Alloy enables up to 8% reduction in sidewire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.*
  • Engineered with a cut-back ground electrode that delivers optimal ignitability of the flame kernel and better heat transfer, leading to quicker starts.
  • Cut back ground electrode for better ignitability of the flame kernel
  • The yttrium-enhanced alloy enables up to 8% reduction in ground wire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.
  • Anti-corrosive nickel plating to prevent rusting better than black oxide
  • Designed with an anti-corrosive nickel-plating prevents rusting better than black oxide, allowing the plug to maintain its durability and efficiency.
  • Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.

Product Attributes

Ground Electrode Tip Design Standard
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Pre-Gap Size 0.8636 MM
Ground Electrode Quantity 1
Hex Size 16 MM
Seat Type Tapered
Reach 17.2466 MM
Thread Diameter 14 MM
Insulator Material Ceramic
Resistor Type Yes
Ground Electrode Tip Material Nickel
9608 Standard
9805 Mid Projection
Washer Included No
Grade Type Performance
Pre-Gap Size 0.034 IN
Hex Size 5/8 IN
Manufacturer Heat Range 10
Reach 0.679 IN
9459 Yes
9507 Hex
9746 No

Additional Information

Country of Origin (Primary) MX
Harmonized Tariff Code (Schedule B) 8511100000
Warranty Special No Warranty
Warranty Special UOM TX
Harmonized Tariff Code (HTS) 8511100000
UPC 00009100026644
UNSPSC 26101732

Part Interchanges

Fits Vehicles

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