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

NGK 6253 R6725-9 Racing Plug

SKU #R6725-9
ITEM #NGK6253
BRAND NGK

  • 0.7mm Gap

Item has been discontinued. This product may be used as a replacement:

NGK 6448 R7420-9 Racing Plug

SKU #R7420-9

ITEM #NGK6448

  • Description
    NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Fine wire platinum tipped center electrode and platinum tipped ground electrode improve ignitability, increase durability and enhance anti fouling capabilities. 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
    • Reach21.5mm (.846")
    • Hex Size13/16" (21mm)
    • Gap.028" (0.7mm)
    • Center Electrode
    • MaterialPlatinum
    • TypeFine Wire
    • Size1.0mm
    • ProjectionNon-Projected
    • Ground Electrode
    • MaterialPlatinum
    • TypeFlat
    • Quantity1
    • Specifications
    • ResistorYes
    • Heat Range9
    • Part Information
    • BrandNGK/NTK
  • Fitment

    Verify Fitment

    Automotive

    Sorry, no automotive applications are associated with this part.

    Powersports

    Sorry, no powersports applications are associated with this part.

    Non-Automotive

    Sorry, no non-automotive applications are associated with this part.