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Autolite AR-3910 Race Plug

Autolite AR3910

417-AR3910

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Autolite AR-3910 Race Plug $4.99
AR-3910 Race Plug

Specifications:

Center Electrode Core Material
Copper
Center Electrode Tip Material
Copper
Insulator Material
Ceramic
Center Electrode Design
Standard / Regular
Thread Size
14mm X 1.25
Seat Style
Gasket
Ground Electrode Tip Material
Copper
Insulator Type
Mid Projection
Drive Size
5/8" (16mm)
Reach (in)
3/4"
Resistor
Non Resistor
Gap- Factory Preset
.025"/0.6mm
Manufacturer's Part Number:
AR3910

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

Some parts are not legal for use in California or other states with similar laws / regulations