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View All Autolite Race Series Spark Plugs
Autolite

Autolite AR-33 Race Plug

Autolite AR33

417-AR33

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Autolite AR-33 Race Plug $4.99
AR-33 Race Plug

Specifications:

Center Electrode Core Material
Copper
Center Electrode Tip Material
Copper
Insulator Material
Ceramic
Center Electrode Design
Standard / Regular
Seat Style
Tapered
Thread Size
18mm X 1.50
Ground Electrode Tip Material
Copper
Insulator Type
Mid Projection
Gap- Factory Preset
.034"/0.9mm
Reach (in)
.468"
Drive Size
13/16" (21mm)
Resistor
Non Resistor
Manufacturer's Part Number:
AR33

Autolite Race Plugs feature the latest plug design technology. Their multi-rib insulator, copper center electrode, large cut back ground electrode (covered in nickel plating and sealed inside a longer insulator to resist carbon fouling), and double terminated suppressor provide the best EMI suppression.

NOTE: Plugs are priced individually but may only be ordered in sets of 4.
Spark Plug Heat Ranges & Applications

Does Autolite AR33 fit your vehicle?

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1966 AC 427

  • EngineType: ALL
  • SubModel: ALL
Some parts are not legal for use in California or other states with similar laws / regulations