NGK Single Iridium Spark Plug Box of 4 (TR8IX)

NGK Single Iridium Spark Plug Box of 4 (TR8IX)

Marsoni

M251S

$46.52

Get it in 3 business days with 1 day shipping. Friday, May 29

NGK Single Iridium Spark Plug Box of 4 (TR8IX)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

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I trust the Nylabone brand and would not buy a cheap substitute to save a few bucks. This ring is heavy duty. I got it for our 9-week-old puppy and it keeps her interested and entertained with all the little nubs. She uses it more as a toy than something to chew on, tossing it around and mouthing it. It's very hard so I'm not worried about her being able to chew off any little pieces at this point. This satisfies her for now and helps to keep her busy and reigns in some of her puppy energy. Recommend!

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Reviewed in the United States on March 9, 2026

Verified Purchase

Nunya B

Lexington, US

★★★★★ 5

Strong

Size: Small, Color: Textured Ring

My French Bulldogs have really strong jaws and are aggressive chewers. These really are sturdy and last a good amount of time. I replace every couple of months and they are one of my dogs favorites and easy for them to hold onto.

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Reviewed in the United States on April 25, 2026