Cold Heat Range

NGK Iridium IX Spark Plugs


Iridium IX Spark Plug
  • 12mm x 3/4" Reach
  • 18mm Hex
  • Projected
  • Gasket seat
  • .036" Gap
  • Sold Individually
  • $7.10
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 10mm x 3/4" Reach
  • 5/8" Hex
  • Gasket seat
  • Sold Individually
  • $10.97
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Gasket seat
  • Sold Individually
  • $8.99
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 12mm x 3/4" Reach
  • 18mm Hex
  • Gasket seat
  • Sold Individually
  • $8.99
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Projected
  • Gasket seat
  • Sold Individually
  • $10.97
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 12mm x 3/4" Reach
  • 5/8" Hex
  • Projected
  • Gasket seat
  • Sold Individually
  • $10.97
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Compact
  • Gasket seat
  • Sold Individually
  • $12.99
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 1/2" Reach
  • 13/16" Hex
  • Gasket seat
  • Sold Individually
  • $8.99
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 10mm x 3/4" Reach
  • 5/8" Hex (partial thread)
  • Gasket seat
  • .036" Gap
  • Sold Individually
  • $10.97
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 5/8" Hex
  • ISO projected
  • Gasket seat
  • Sold Individually
  • $7.43
    Ships Today

    Extra Cold Heat Range

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Gasket seat
  • Sold Individually
  • $8.99
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 10mm x 3/4" Reach
  • 5/8" Hex
  • Gasket seat
  • Sold Individually
  • $8.42
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Compact
  • Gasket seat
  • Sold Individually
  • $12.99
    $8.99
    ON SALE - 31% OFF
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 1/2" Reach
  • 13/16" Hex
  • Gasket seat
  • Sold Individually
  • $10.97
    Ships 07/05/16

    Extra Hot Heat Range

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x .460" Reach
  • 5/8" Hex
  • Projected
  • Tapered seat
  • .059" Gap
  • Sold Individually
  • $7.10
    Ships 07/05/16

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x .460" Reach
  • 5/8" Hex
  • Projected
  • Tapered seat
  • Sold Individually
  • $10.97
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 25mm Reach
  • 5/8" Hex
  • Extended projection
  • Tapered seat
  • .044" Gap
  • Sold Individually
  • $10.97
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/8" Reach
  • 13/16" Hex
  • Projected
  • Gasket seat
  • .059" Gap
  • Sold Individually
  • $8.99
    $5.99
    ON SALE - 33% OFF
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/8" Reach
  • 13/16" Hex
  • Projected
  • Gasket seat
  • Sold Individually
  • $7.10
    Ships Today

    NGK Iridium IX Spark Plugs


    Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 5/8" Hex
  • ISO projected
  • Gasket seat
  • Sold Individually
  • $9.34
    Ships 07/05/16