DENSO IRT01-31 Iridium Racing Spark Plug

DENSO IRT01-31 Iridium Racing Spark Plug

Marsoni

M251S

$152.99

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

DENSO IRT01-31 Iridium Racing Spark PlugThe DENSO IRT01 31 Iridium Racing Spark Plug is engineered for high performance, providing more power and torque. It features a 1. 1mm electrode gap and a solid bolt terminal type. The plug has a diameter of 14mm and a reach of 19mm, with a bolt head diameter of 20. 6mm. The 0. 4mm Iridium Rhodium alloy center electrode requires less voltage to fire, enhancing firing performance. The 0. 8mm pure platinum ground electrode minimizes the risk of melting

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Your DENSO IRT01-31 Iridium Racing Spark Plug orders ship within 1-2 business days.

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Fast: 2-3 business days
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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I have had my warranties with Asurion for years, and they are one of the best warranty companies out there. When filing a claim, the process is very easy. I finished the entire process in less than 5 minutes. The service was amazing and the lay-out and appearance of the website was simple to use. The protection plan cost was reasonable.

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Reviewed in the United States on June 1, 2026

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Cheifi74

Alexandria, US

★★★★★ 5

Quick and easy

My water kettle just stopped working after a year. Once I boxed up and returned the kettle, Asurion refunded my account.

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Reviewed in the United States on May 8, 2026

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christian wilson