8 X AUTOLITE COPPER CORE SPARK PLUG FOR CHEVROLET SILVERADO 1500 2500 LM7 LQ4 LQ9 LMG LH6 5.3 6.0 V8

Product no.: SP857-C
$28.00

 

 

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Inspired and used within NASCAR, these premium copper spark plugs are for the enthusiasts with high performance applications in mind.

The new Autolite plugs ignite more gas and air mixture inside the cylinders to deliver better overall performance. The ignition is also more focused, which provides better and faster fuel combustion, optimizing the vehicles spark plug performance.

 

Key Features:

  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof).
  • Multi-rib insulator reduces danger of "flash-over".
  • One-piece terminal post adds strength.
  • Resistor reduces radio frequency interference (RFI) and electrode erosion.
  • Cold-formed steel shell precision rolled threads.
  • Full copper core electrode provides better performance in all conditions.

 

Contents:

  • 8 X Autolite copper core spark plug.

​Vehicle Fitment Guide

 

Notes:

  • You can contact us if you are unsure about fitment.
  • Gap the new spark plugs as recommended in the above fitment guide or car owner's manual. Use a feeler gauge to measure the gap between the center and ground electrode. The gauge should pass through snugly but easily. If too lose or too tight, reset the gap.
  • The image is for display purposes only.
Browse these categories as well: Autolite® Copper Spark Plugs, Silverado, 1500, 2500