NGK Racing Spark Plug Box of 4 (UR4IX)

Marsoni

M251S

$46.52

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

NGK Racing Spark Plug Box of 4 (UR4IX)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 have been very pleased with how well this cover is holding up. It fits snugly into the receiver hole and stays put. Makes the back of the car look so much better and keeps dirt out of the receiver. Good Job! PLUS: I don't have to store the plug in the back of the car any longer! Hinged piece is still nice and flexible.

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Reviewed in the United States on September 12, 2025

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Talquin

Alexandria, US

★★★★★ 5

Well constructed! Tight Fit.

Color: Black, Size: 1

Great construction, very durable. A bit tight to install, but that is not necessarily a bad thing. It will certainly keep it from ever falling off.

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Reviewed in the United States on April 3, 2026

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