NGK 97977 LNAR8AIX-P Iridium IX Spark Plug

NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• 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

• Shell
• Thread Diameter12mm
• Thread Pitch1.25mm
• Seat TypeTapered
• Reach25mm (1")
• Hex Size9/16" (14mm)
• Terminal TypeSolid
• Gap.028" (0.7mm)

• Center Electrode
• MaterialIridium
• TypeFine Wire
• Size0.6mm
• ProjectionProjected

• Ground Electrode
• MaterialNickel
• TypeStandard
• ShapeTaper Cut
• Quantity1

• Specifications
• ResistorYes
• Resistor Value5k Ohm
• Heat Range8
• Features3.0mm Extended Metal Shell

• Part Information
• BrandNGK/NTK
• Warranty60 Days
• Longevity50k Miles

Verify Fitment

Vehicle Body Vehicle Engine Verify

Shop Parts For This Vehicle

×

×

Automotive

• 2025
  • Buick
    • Encore GX Avenir Verify fitment
    • Encore GX Preferred Verify fitment
    • Encore GX Sport Touring Verify fitment
    • Envista Avenir Verify fitment
    • Envista Preferred Verify fitment
    • Envista Sport Touring Verify fitment
  • Chevrolet
    • Equinox ACTIV Verify fitment
    • Equinox LT Verify fitment
    • Equinox RS Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu RS Verify fitment
    • Trailblazer ACTIV Verify fitment
    • Trailblazer LS Verify fitment
    • Trailblazer LT Verify fitment
    • Trailblazer RS Verify fitment
    • Trax ACTIV Verify fitment
    • Trax LS Verify fitment
    • Trax LT Verify fitment
    • Trax RS Verify fitment
  • GMC
    • Terrain Elevation Verify fitment
• 2024
  • Buick
    • Encore GX Avenir Verify fitment
    • Encore GX Preferred Verify fitment
    • Encore GX Sport Touring Verify fitment
    • Envista Avenir Verify fitment
    • Envista Preferred Verify fitment
    • Envista Sport Touring Verify fitment
  • Chevrolet
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Equinox RS Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu RS Verify fitment
    • Trailblazer ACTIV Verify fitment
    • Trailblazer LS Verify fitment
    • Trailblazer LT Verify fitment
    • Trailblazer RS Verify fitment
    • Trax ACTIV Verify fitment
    • Trax LS Verify fitment
    • Trax LT Verify fitment
    • Trax RS Verify fitment
  • GMC
    • Terrain AT4 Verify fitment
    • Terrain Denali Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2023
  • Buick
    • Encore GX Essence Verify fitment
    • Encore GX Preferred Verify fitment
    • Encore GX Select Verify fitment
  • Chevrolet
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Equinox RS Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu RS Verify fitment
    • Trailblazer ACTIV Verify fitment
    • Trailblazer LS Verify fitment
    • Trailblazer LT Verify fitment
    • Trailblazer RS Verify fitment
  • GMC
    • Terrain AT4 Verify fitment
    • Terrain Denali Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2022
  • Buick
    • Encore Preferred Verify fitment
    • Encore GX Essence Verify fitment
    • Encore GX Preferred Verify fitment
    • Encore GX Select Verify fitment
  • Chevrolet
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Equinox RS Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment
    • Malibu RS Verify fitment
    • Trailblazer ACTIV Verify fitment
    • Trailblazer L Verify fitment
    • Trailblazer LS Verify fitment
    • Trailblazer LT Verify fitment
    • Trailblazer RS Verify fitment
    • Trax LS Verify fitment
    • Trax LT Verify fitment
  • GMC
    • Terrain AT4 Verify fitment
    • Terrain Denali Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2021
  • Buick
    • Encore Base Verify fitment
    • Encore Preferred Verify fitment
    • Encore GX Essence Verify fitment
    • Encore GX Preferred Verify fitment
    • Encore GX Select Verify fitment
  • Chevrolet
    • Equinox L Verify fitment
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Malibu L Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment
    • Malibu RS Verify fitment
    • Trailblazer ACTIV Verify fitment
    • Trailblazer L Verify fitment
    • Trailblazer LS Verify fitment
    • Trailblazer LT Verify fitment
    • Trailblazer RS Verify fitment
    • Trax LS Verify fitment
    • Trax LT Verify fitment
  • GMC
    • Terrain Denali Verify fitment
    • Terrain SL Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2020
  • Buick
    • Encore GX Essence Verify fitment
    • Encore GX Preferred Verify fitment
    • Encore GX Select Verify fitment
  • Chevrolet
    • Equinox L Verify fitment
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Malibu L Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment
    • Malibu RS Verify fitment
  • GMC
    • Terrain Denali Verify fitment
    • Terrain SL Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2019
  • Buick
    • Cascada Base Verify fitment
    • Cascada Premium Verify fitment
    • Cascada Sport Touring Verify fitment
    • Encore Base Verify fitment
    • Encore Essence Verify fitment
    • Encore Preferred Verify fitment
    • Encore Sport Touring Verify fitment
  • Chevrolet
    • Cruze Diesel Verify fitment
    • Cruze L Verify fitment
    • Cruze LS Verify fitment
    • Cruze LT Verify fitment
    • Cruze Premier Verify fitment
    • Equinox L Verify fitment
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Malibu Hybrid Verify fitment
    • Malibu L Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment
    • Malibu RS Verify fitment
  • GMC
    • Terrain Denali Verify fitment
    • Terrain SL Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2018
  • Buick
    • Cascada Base Verify fitment
    • Cascada Premium Verify fitment
    • Cascada Sport Touring Verify fitment
    • Encore Base Verify fitment
    • Encore Essence Verify fitment
    • Encore Preferred Verify fitment
    • Encore Preferred II Verify fitment
    • Encore Premium Verify fitment
    • Encore Sport Touring Verify fitment
  • Chevrolet
    • Cruze Diesel Verify fitment
    • Cruze L Verify fitment
    • Cruze LS Verify fitment
    • Cruze LT Verify fitment
    • Cruze Premier Verify fitment
    • Equinox L Verify fitment
    • Equinox LS Verify fitment
    • Equinox LT Verify fitment
    • Equinox Premier Verify fitment
    • Malibu Hybrid Verify fitment
    • Malibu L Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment
  • GMC
    • Terrain Denali Verify fitment
    • Terrain SL Verify fitment
    • Terrain SLE Verify fitment
    • Terrain SLT Verify fitment
• 2017
  • Buick
    • Cascada Base Verify fitment
    • Cascada Premium Verify fitment
    • Cascada Sport Touring Verify fitment
    • Encore Base Verify fitment
    • Encore Essence Verify fitment
    • Encore Preferred Verify fitment
    • Encore Preferred II Verify fitment
    • Encore Premium Verify fitment
    • Encore Sport Touring Verify fitment
  • Chevrolet
    • Cruze Diesel Verify fitment
    • Cruze L Verify fitment
    • Cruze LS Verify fitment
    • Cruze LT Verify fitment
    • Cruze Premier Verify fitment
    • Malibu Hybrid Verify fitment
    • Malibu L Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment
• 2016
  • Buick
    • Cascada Base Verify fitment
    • Cascada Premium Verify fitment
    • Encore Base Verify fitment
    • Encore Convenience Verify fitment
    • Encore Leather Verify fitment
    • Encore Premium Verify fitment
    • Encore Sport Touring Verify fitment
  • Chevrolet
    • Cruze L Verify fitment
    • Cruze LS Verify fitment
    • Cruze LT Verify fitment
    • Cruze Premier Verify fitment
    • Malibu Hybrid Verify fitment
    • Malibu L Verify fitment
    • Malibu LS Verify fitment
    • Malibu LT Verify fitment
    • Malibu Premier Verify fitment

Powersports

Sorry, no powersports applications are associated with this part.

Non-Automotive

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