NGK.com specializes in hard to find NGK products. We are not NGK Spark Plugs USA.  To contact them, click here.

NGK 3949 R6254E-105 Racing Plug

SKU #R6254E-105
ITEM #NGK3949
BRAND NGK

in-stock On national back order with no ETA. Place order to reserve product..

in-stock Typically ships within 7-14 business days.

$6.88
$6.54

Delayed Shipping

The quantity you are purchasing

  • Description
    NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.
  • Product Specifications
    • Shell
    • Thread Diameter14mm
    • Thread Pitch1.25mm
    • Seat TypeGasket
    • Reach19mm (3/4")
    • Hex Size13/16" (21mm)
    • Terminal TypeSolid
    • Overall HeightISO
    • Gap.024" (0.6mm)
    • Center Electrode
    • MaterialNickel
    • TypeStandard
    • Size2.5mm
    • ProjectionNon-Projected
    • Ground Electrode
    • MaterialNickel
    • TypeSlant
    • Quantity1
    • Specifications
    • ResistorNo
    • Resistor Value1K Ohm
    • Heat Range10.5
    • Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
    • Part Information
    • BrandNGK/NTK
    • Warranty1 Year
    • Longevity30k Miles
  • Fitment

    Verify Fitment

    Verify Fitment

    OM fitment modal
    Automotive

    Sorry, no automotive applications are associated with this part.

    Powersports

    Sorry, no powersports applications are associated with this part.