Copper Spark Plug
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Autolite Copper Spark Plug

Part No. 666 Warranty Details  

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Autolite Copper Spark Plugs are guaranteed to deliver quick starts, good fuel economy and smooth acceleration.

Product Features:
  • Copper cored center electrode for higher thermal conductivity
  • Specially engineered high nickel alloy center and ground electrode for extended life
  • High alumina ceramic for high dielectric strength
  • Leak proof, heat fused internal seal for durability
  • Multi-rib insulator prevents flash-over
  • 2 year limited warranty
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Electrode Tip Material:Resistor
Reach:.460 in
Resistor:Suppressor
Seat Type:Tapered
Thread Diameter:14 mm
Tip Configuration:Power
Wrench Diameter:5/8 in

REVIEW SNAPSHOT®

by PowerReviews
AutoliteCopper Spark Plug
 
4.0

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

67%

of respondents would recommend this to a friend.

Pros

  • Easy to install (3)

Cons

No Cons

Best Uses

No Best Uses

Reviewed by 3 customers

Displaying reviews 1-3

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2.0

last one year

By 

from henderson, NC

About Me Auto Enthusiast, Casual Driver, Mechanic, Truck Enthusiast

Pros

  • Easy To Install

Cons

  • They only made one year

Best Uses

    Comments about Autolite Copper Spark Plug:

    put 12k on them in one year and now they r going bad whould think they last longer

    Comment on this reviewHelp Icon

     
    5.0

    PLUGS

    By 

    from WALTON NY

    About Me Mechanic

    See all my reviews

    Verified Buyer

    Pros

    • Durable
    • Easy To Install
    • Improves Engine Efficiency
    • Increases Power

    Cons

      Best Uses

      • Replacement

      Comments about Autolite Copper Spark Plug:

      PLUGS NEEDED TO BE CHANGED I LIKE AUTOLITE PLUGS

      Comment on this reviewHelp Icon

       
      5.0

      Autolite spark plugs good performaners

      By 

      from Fort Stewart GA

      See all my reviews

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Durable
      • Easy To Install
      • Improves Engine Efficiency
      • Increases Power

      Cons

        Best Uses

        • Everyday Driving
        • Replacement
        • Restoration

        Comments about Autolite Copper Spark Plug:

        I purchased the spark plugs for use on my 1978 Trans Am. I'm sure they'll perform fine as always.

        • Car & Truck:
        • Auto Enthusiast, Casual Driver, Truck Enthusiast

        Comment on this reviewHelp Icon

        Displaying reviews 1-3

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