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DENSO IRT01-31 Iridium Racing Spark Plug

Marsoni M251S
Sale price$152.99
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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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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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4.8 ★★★★★
Based on 912 reviews
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Paul Slaughter
Carnegie, US
★★★★★ 5
Surprisingly good product.
Size: 5X-Large, Color: Grey Black
Came exactly as suspected. When ordering a 3 piece tux I expected to find some sort of problem or something that didn't fit, but I was pleasantly surprised. Looks like the photos and fits as advertised. So very happy. Doesn't look cheap or gimmicky. Thank you!
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Reviewed in the United States on October 19, 2025
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April Collins
Charlottesville, US
★★★★★ 5
Good quality stank fishy smell
Size: Small, Color: Silver
Beautiful but it stank badly smells like fish. Wherever y'all have it stored in when y'all have it needs to be cleaned out. Now I have to take it to get cleaned/steamed because of this stank smell. Need give me some of my money back much as it cost. Now I got to pay get smell out of it is ridiculous. Cost to much for this to smell how it smells.
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Reviewed in the United States on March 18, 2026
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Verified Purchase
Rosalinda Z.
Fort Morgan, US
★★★★★ 5
Baggy but nice color
Size: X-Small, Color: Burnt Orange White
Husband looked great in it but if you want it slim you will have to tailor it it was a lil baggy very true to size
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Reviewed in the United States on May 7, 2026
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Amazon Customer
Cuba, US
★★★★★ 4
Nice suit for the price
Size: Medium, Color: Dusty Green White, Size: Medium, Color: Dusty Green White
Got this for my sons 2026 prom and it was a hit. The suit came exactly as described, it was well worth the price, great color and style, it fits to size, pants was a bit long, had to have that altered
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Reviewed in the United States on April 19, 2026
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Johnelle Burnett
Waukegan, US
★★★★★ 5
Great product
Size: Medium, Color: Sky Blue White
Awesome suit, fits perfectly
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Reviewed in the United States on March 26, 2026

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