Champion 7989 Double Platinum Spark Plug

Platinum tipped center electrode and platinum pad on ground electrode provide long life and minimal wear. Tapered electrodes create a sharper spark focus and reduce quenching. Electrodes use heat-active alloy to reach operating temperatures quickly and maintain stable temperatures under varying engine loads. Triple sealed interior and copper core reduce failure due to heat and stress.

• Shell
• Thread Diameter15.5mm
• Seat TypeTapered
• Reach21.5mm (.846")
• Hex Size5/8" (16mm)
• Terminal TypeSolid
• Gap.045" (1.15mm)

• Center Electrode
• MaterialPlatinum
• TypeFine Wire
• Size0.8mm
• ProjectionProjected

• Ground Electrode
• MaterialPlatinum
• TypeStandard
• ShapeTaper Cut
• Quantity1

• Specifications
• ResistorYes
• Heat Range12

• Part Information
• BrandChampion
• Warranty5 Years
• Longevity70k Miles

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