Xtreme Start Spark Plugs
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Autolite Xtreme Start Spark Plugs

Part No. XST255DP Warranty Details  
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Fit of this part varies by vehicle & equipment specs Type of Fit

From lawn mowers to chain saws, this plug provides quicker consistent starts versus the standard plug and an anti-foul design.

Product Features:
  • 0.6mm finewire design offers exceptional fouling resistance for reliable starting in any season or weather condition
  • Up to 26% quicker engine starts than the OE plug
  • Up to 21% less HC emissions than the OE plug
  • Meets or exceeds OE specifications
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Center Electrode Core Material:Copper Core
Electrode Tip Material:Finewire
Gasket Installed or Loose:Loose
Gasket Or Seal Included:Yes
Ground Electrode Core Material:Nickel alloy
Ground Electrode Quantity:1
Hex Size:3/4"
Insulator Type:Standard
Manufacturer Heat Range:5
Reach:0.375 in
Resistor Type:No
Rib Configuration:Standard
Seat Type:Gasket
Shell Material:Steel Alloy
Side Electrode:Yes
Terminal Top Fixed or Threaded:Threaded
Thread Diameter:14 mm
Tip Configuration:Ir Finewire
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