SKU: 18612177724

GM LS 4-Bolt 90mm Nitrous System (50-400HP) 4,5L

Sale price$618.77 Regular price$687.52
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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5

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Description

GM LS 4-Bolt 90mm Nitrous System (50-400HP) 4,5L90mm 4 Bolt Throttle Body Intake Manifold Applications 50 to 400 WHP This Nitrous Express 4 Bolt Nitrous Plate System features a 90mm or 102mm billet nitrous plate that bolts between the throttle body and intake manifold making installation quick, easy and attractive. Both systems come as a single stage system and includes jetting for 50, 100, 150, 200, 250, 300, 350 and 400 horsepower. The plate is pre machined with a second set of nitrous and fuel

90mm 4-Bolt Throttle Body/Intake Manifold Applications

50 to 400 WHP

This Nitrous Express 4-Bolt Nitrous Plate System features a 90mm or 102mm billet nitrous plate that bolts between the throttle body and intake manifold making installation quick, easy and attractive. Both systems come as a single stage system and includes jetting for 50, 100, 150, 200, 250, 300, 350 and 400 horsepower. The plate is pre-machined with a second set of nitrous and fuel passages so you can easily upgrade to a dual stage system by adding part number 744-NX933D. This system includes ProPower Lightning series solenoids, nitrous bottle with the Lightning 45 bottle valve, -06AN feedline, braided stainless solenoid to plate lines, stainless bottle brackets, master arming switch, WOT (wide open throttle) switch as well as every nut, bolt and electrical connector needed to complete the installation.

90mm 4-bolt system fits:

  • 2005-13 Corvette
  • 2005 GTO
  • 2007-13 GM Trucks w/4.8L, 5.3L, 6.0L & 6.2L

Gas prices got you down? Giving up your beast for a sub compact?

Nitrous Express can help ease the pain of going GREEN. Now you can get 4 cylinder gas mileage and V8 power with our new Sub-Compact nitrous system.

Designed specifically for small cubic inch engines, with lower horsepower settings, and lower cost.

The Sub-Compact system comes complete with 4.5 liters nitrous bottle, wide open throttle switch, stainless bottle bracket, stainless steel based solenoids, extra long stainless braided N2O line, and all necessary hardware to complete the installation.

Features:

  • Lightning 45 bottle valve
  • Lightning solenoids
  • Nitrous plate system with spraybarless technology
  • Direct plug-in fuel line adapter for easy installation
  • Includes jetting for up to 350HP or 400HP At The Wheels!
  • Single Stage System
  • Made In The USA!
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18612177724

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4.6 ★★★★★
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Tiffany M
Port Orchard, US
★★★★★ 4
Good value for 2 shorts
These come vacuum sealed and have crazy wrinkles... so be prepared to do some ironing. I ordered the Mediums as I am a 6-8. The black pair feels a bit smaller than the beige pair... with both feeling tighter than I like for comfort. The look nice on, but feel like it constricts my belly a bit too much. Overall a nice basic set of shorts, perhaps size up for a more comfortable fit.
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Reviewed in the United States on June 15, 2025
S
Verified Purchase
Siobhan Smith
Chelsea, US
★★★★★ 5
Super soft and comfortable!
I haven't bought new underwear in forever. I used to wear thongs, but now find them incredibly uncomfortable. The last few times I've tried to buy new underwear, the sizing was either way off (I'm a medium, but gave up after having to return them for a large and then extra large) or the quality was horrible (two brands stretch waaaay out and they can fall down while wearing them (I have larger ass-ets, so they shouldn't start to slide down during use). I tried these after buying some bamboo pyjamas and I love them! They are incredibly soft, comfortable, and stretchy. I can use them all day, and they work well, whether I'm lounging on the couch or wearing them under my spandex shorts at the gym, they don't ride up or slide down. They are both comfortable and look sexy, while providing support in all the right places. I haven't had them too long, so I can't speak on the durability, but they appear to be of good quality and I plan to order more, this time without the band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 13, 2025
M
Verified Purchase
Mariel
Alexandria, US
★★★★★ 5
Well made, light fabric. Waist doesn't roll.
These bamboo underwear really do keep you cool. They fit true to size, and wear easily. the wide elastic waist band doesn't roll on me. They are comfortable to wear, washed and dried easily. The material has some stretch to it, but not a lot. Well made, no stray strings. Perfect fit for me. Just what I was looking for.
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Reviewed in the United States on May 17, 2026
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Verified Purchase
Finngirl
Boise, US
★★★★★ 5
Good quality, smooth feel
I got these briefs so recently that have washed just one pair so far. First off, these are very comfortable, the material is soft & bordering silky, good quality sewing. Wash well and minimal if any shrinkage. They do come a bit wrinkled from the dryer but hey, these are underwear and will go on smoothly. If it were a t-shirt, I would look sloppy. I feel the sizing is accurate. No rolling and these don't announce themselves under clothing. Planning on getting more of these boxers and replacing my old panties.
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Reviewed in the United States on January 31, 2026
S
Verified Purchase
Skurtzo
San Leandro, US
★★★★★ 4
A little snug on the thighs
Size: Medium, Color: Multicoloured G (5-pack)
Super comfy, soft and thin. For reference, I'm 5'6", 135, athletic build. I bought medium. I almost returned them because I thought they were a bit too snug on my thighs, and my thighs are not large at all. I was concerned about panty lines under snug clothing. But, because they're thin, I figured they would probably stretch, so I kept them. So far, I've only worn them under a night shirt, but they're super comfortable and they dont ride up at all. Very nice, but if your thighs are a little thick, you probably won't like them.
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Reviewed in the United States on August 29, 2025

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