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NGK Iridium Spark Plug Box of 4 (BKR5EIX-11)

Marsoni M251S
Sale price$66.00
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Get it in 3 business days with 1 day shipping. Friday, May 29
NGK Iridium Spark Plug Box of 4 (BKR5EIX-11)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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  • We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 172 reviews
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Verified Purchase
Deerok Chopra
Natrona Heights, US
★★★★★ 5
Good Quality
Size: 2 Colors each 10FT, Style: 22AWG
Good quality wire. Doesn't fail and break after only a few bends or twists like most cheap wire. The silicone insulator is great for flexibility in tight spaces like guitar electronics cavities. I'm constantly trying out new part and pickups and found that some cheaper wires were often failing due to being moved around all the time.
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Reviewed in the United States on October 5, 2024
M
Verified Purchase
Mort
Chelsea, US
★★★★★ 5
Great wire
Size: 2 Colors each 10FT, Style: 22AWG
I needed a flexible durable wire to fix an old model train. It worked perfect. Wire is generally wire. If you require all the special features of this wire it will meet all your needs
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2020
O
Verified Purchase
oldranger
Waukegan, US
★★★★★ 5
Great connectors
Size: 5 pairs
Just finished an overhaul on the stereo system. A couple decks needed new belts and the wife wanted a new cabinet for everything so just take it all apart and refresh. I ordered these plugs to make the backside wiring a bit neater . They are very well made and easy to install if you mess up the polarity just swap the arrel covers, easy peasy. Great quality and easy assembly. Did it improve the sound? Can't say that I noticed that but it is certainly as good and so much easier to connect speaker outputs. I would certainly buy again.
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Reviewed in the United States on February 26, 2026
S
Verified Purchase
1ST REVIEWS FROM MARS
Dallas, US
★★★★★ 5
High Quality Banana Plugs
Size: 12 Pairs
Banana clips are high quality, I used 12 awg wires and had no issues. It secures into the plug with 2 small screws, you will need a flat terminal screw driver to install them. The quality was high and made a good connection. If I had to make one complaint it would be that I would tighten the gray piece to the plug and it always kept spinning, otherwise, excellent product.
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Reviewed in the United States on January 29, 2026
V
Verified Purchase
Valkyrie Rider
Bozeman, US
★★★★★ 5
Good quality connectors
Size: 6 Pairs
Good quality connectors, holds wire well and stays in place. I’ll buy again
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Reviewed in the United States on March 1, 2026

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