Product Summary

Universal Fit, Gasket Spark Plug Seat Style

  • Spark plug features a cut back ground electrode and an anti-corrosive nickel plating
  • Includes a large ground electrode for better heat transfer
  • Has a .75" reach and a thread length of 14mm
  • Core is made from copper and tip is from nickel alloy
  • Overall length measures 14" and will work with a 5/8"

Key Specs

MFG. Part #AR3932

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Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. Heat range needed with Standard tip or Power tip Medium.

  • 14 mm plug
  • .75" reach
  • 5/8" hex
  • Gasket seat
  • Non-resistor
  • Vendor Number: AR3932

Note: Please use the Vendor Number to reference the PDF chart links listed.

Item Details

Non-Projected Tip
Vendor Part Number AR3932



CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


MFG. Part #AR3932
Spark Plug Seat StyleGasket
Seat TaperGasket
Spark Plug Reach0.75"
Thread Pitch14mm
Insulator TypeNon-projected
Spark Plug Heat Range2
Core MaterialCopper
Tip MaterialNickel Alloy
Overall Length14.00"
Wrench Size5/8"
Sold in QuantityEach
GTIN Code00009100017840