


Nitrous Express All GM EFI Single Nozzle Nitrous Kit (35-150HP) w/10lb Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express All GM EFI Single Nozzle Nitrous Kit (35-150HP) w/10lb BottleNitrous Express. ALL GM EFI SINGLE NO If you want the best this is it. The NX Stage 1 EFI nitrous system is the top of the line EFI power booster on the market. From the highest flowing solenoids to our patented Shark nozzle this system screams nothing but quality. NX has a system for every EFI car in the world. Available in horsepower levels from 35 50 75 for most 4 and 6 cylinder cars and up to 150 for 8 10 and 12 cylinder engines. This NX EFI Stage
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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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4.3 ★★★★★
Based on 2232 reviews
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Product Reviews
★★★★★ 5
Good kit
Size: 61pcs
Has what is shown. Plugged a tire a month ago and it's still holding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 5
My new go-to for roadside emergencies.
Size: 58pcs, Size: 58pcs
Okay, I recently picked up this 58-in-1 tire repair kit, and I'm really glad I did. I've always been a bit nervous about getting a flat tire, especially on a long trip, and this kit has been a huge relief.
The first thing I noticed was how complete it is. It's got everything you could possibly need, from the T-handle reamer to the solid pliers. I really appreciate the feel of the tools—they're not flimsy at all. The handle has a great grip, and the spiral tip on the reamer looks like it will make it easy to clear out a puncture without a lot of hassle. The plugs themselves feel tough and durable, like they'll actually hold up.
I haven't had to use it on the road yet (thankfully!), but I did a practice run on an old tire I had. The instructions were easy enough to follow, and the whole process felt manageable. The best part is how compact the entire kit is. It all fits neatly into a little box that I can just toss in my trunk. It doesn't take up any space, and it gives me a real sense of security knowing it's there. It covers so many different vehicles, too, which is a nice bonus. It's definitely a peace-of-mind purchase that I'd recommend to anyone.
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Reviewed in the United States on July 29, 2025
★★★★★ 4
Good kit for the $$....
Size: 61pcs
Already saved me once, A good kit for the money, but if your smart, you'll add a tube of rubber cement, seals and lubes the plugs. All the foreign kits seem to not know this..?? Recommended...
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Reviewed in the United States on October 24, 2024
★★★★★ 5
61 piece - lots of what you need in a small case
Size: 61pcs
Great for mororcycle trips. I purchased the 61 piece kit in the soft case and its very small and tucks away well in my pannier. I also carry a small battery operated compressor and between the two can handle most repairs if needed. This comes with a small set of players which is a must for pulling nails, screws etc. from your tire. For the price I dont think you can do better than this kit.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
good
Size: 61pcs
great
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Reviewed in the United States on May 14, 2026