NGK BKR9EIX 2669 Iridium Spark Plugs
Heat Range = 9
Thread Size = 14mm
Thread Reach = 19mm or ¾”
IX = High Performance Iridium
These Spark Plugs are not for your daily drivers and they are not for your Normally Aspirated Builds. They are for your high boost builds pushing 400hp and above!!!
NGK’s heat range gets a cooler spark plug as the numbers go numerically higher.
The BKR9EIX is the spark plug of choice by tuners for use in high horse power Turbo & Super Charged applications.
4 Cylinder = 4 Spark Plugs, 6 Cylinder = 6 Spark Plugs, 8 Cylinder = 8 Spark Plugs,
These are the very same spark plugs we use in the Paradise Racing Celica to run 6.65 @ 212mph!!!
Iridium IX Spark Plugs are the most technologically advanced high performance plugs available. Featuring a 0.6 mm iridium center electrode tip, they offer superior ignitability without sacrificing durability. The tapered ground electrode increases flame kernel expansion, while the superior heat range design is ideally suited to the demands of high performance environments. Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency and long life. When you demand the most from your engine, rely on the proven performance of NGK Iridium IX Spark Plugs.