If your Toyota or Lexus is feeling a bit sluggish or you're dealing with misfires, this TRQ ignition kit is exactly what you need! This complete set includes 8 ignition coils AND 8 iridium spark plugs - everything required to refresh your ignition system in one box. The performance-grade coils are lab and road tested to match OEM specifications, ensuring your engine runs smoothly and efficiently. Perfect for 1998-2010 Lexus models including GX470, LS430, SC430, LX470 and 1998-2009 Toyota vehicles like Tundra, 4Runner, Sequoia, and Land Cruiser with 4.7L V8 engines. The red ignition coils not only look great but deliver reliable performance, while the iridium spark plugs provide excellent longevity and consistent spark. No modifications needed - these are direct replacements that restore your engine to like-new condition. Seriously, if you're experiencing rough idling, poor acceleration, or decreased fuel economy, this complete kit solves all those issues at once. Installation is straightforward for any decent home mechanic, and you'll feel the difference immediately in smoother performance and better throttle response.