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Autolite AR473

AR-473 Race Plug

Autolite AR473
Autolite Rebate® Spark Plug Rebate
Expires on December 31, 2017

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417-AR473

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Autolite AR473 AR-473 Race Plug $4.99
AR-473 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
Tapered
Ground Electrode Tip Material
Copper
Reach (in)
.708"
Drive Size
5/8" (16mm)
Insulator Type
Short Projection
Resistor
Non Resistor
Gap- Factory Preset
.025"/0.6mm
Manufacturer's Part Number:
AR473

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

AR473 - Autolite Race Series Spark Plugs is rated 1.0 out of 5 by 1.
Rated 1 out of 5 by from no more autolites Have been running auto lite ar 473's in my v6 drag race engine for nearly 10 years now. After the issues I had this spring I'll have to run NGk plugs now. Bought 2 sets of ar 473's for my fresh engine, spends 3 days trying to figure out why it would only run on about 3 cylinders. After trying everything I could think of any wasting a day at the track in desperation I put a used set of plugs from last year in the engine.... Ran perfectly. Live and learn .
Date published: 2015-06-04
  • y_2017, m_12, d_15, h_24
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