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Spark Plug, 3910X
Spark Plug, 3910X


 
Our Price: $10.75

Stock Status:In Stock

Part #: 3910X
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Description -
 
Autolite 3910X High-Performance Spark Plug for Stock Motors
Replacement racing spark plug used by many professional race car drivers

  • Unique, special designed shell with "X-gap" groove to run cooler and allow for improved flame kernel development
  • 3/4in reach gasket seat with 14mm threads
  • Copper-glass, non-resistive seal bonds insulator, terminal post, and center electrode together ensure full required voltage at spark gap
  • Coated in anti-corrosive nickel plating to prevent rusting

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