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NGK — NGK Iridium IX Spark Plug Box of 4 (BR9HIX)
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Spark Plugs

NGK

NGK Iridium IX Spark Plug Box of 4 (BR9HIX)

SKU: ngk5687

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum....

$28.20
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Overview

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Features

  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Fine iridium tip ensures durable and consistent spark
BR9HIX, Sold individually, for box order 4 NGK Iridium IX Spark Plug

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Fitment notes (catalog)

M/C - 2000-1997 COBRA, 1979-1967 KAWASAKI, 1979-1977 KTM, 1968 YAMAHA, SNOW - 1974 ARCTIC CAT, 1979-1978 MOTO-SKI, 1979-1973 SKI-DOO

Summarized compatible vehicles also appear under Description → Fitment.

Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.