(4 pack) Autolite 25 Copper Resistor Spark Plugs for Chevrolet Ford

Important: To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim, and Engine in the eBay Compatibility Table. Please double-check the accuracy of your order before purchasing. 

ABOUT THE PRODUCT

  • 4 pack
  • Brand: Autolite
  • Model: 25
  • Type: Copper Resistor Spark Plugs
  • Thread Diameter: 14mm
  • Thread Pitch: 1.25mm
  • Seat Type: Tapered
  • Reach: 11mm (7/16")
  • Hex Size: 5/8" (16mm)
  • Terminal Type: Solid
  • Gap: .045" (1.15mm)
Center Electrode 
  • Material: Nickel
  • Type: Standard
  • Size: 2.5mm
  • Projection: Projected
Ground Electrode
  • Material: Nickel
  • Type: Standard
  • Quantity: 1
Specifications
  • Resistor: Yes
  • Resistor Value: 4k Ohm
  • Heat Range: 4
  • Torque Specs: Cast Iron: 7-15 lb. ft. Aluminum: 7-15 lb. ft.

PRODUCT FEATURES

  • Copper core improves resistance to fouling
  • Power tip extends further into the combustion chamber to aid in self-cleaning, reducing fouling at low rpms and pre-ignition at high speeds

OTHER SPECIFICATIONS

  • Traditional nickel electrodes
  • Longevity: 30k Miles