★★★★★ 5
s tier quality
superior quality, single cast aluminum 👍
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Reviewed in the United States on May 2, 2026
Nitrous Express Nitrous & Water Injection Nitrous Kit w/Billet LT4 Supercharger Lid w/o Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express Nitrous & Water Injection Nitrous Kit w/Billet LT4 Supercharger Lid w/o BottleThis Billet LT4 Supercharger Lid replaces the upper supercharger lid on all GM LT4 Superchargers for a quick and clean install. Nitrous and fuel are injected into each cylinder from the side of the runner providing direct port like distribution ensuring maximum performance. This lid is made from a solid piece of billet aluminum with 1 8NPT machined directly into the plate so there is no need to worry about gaskets leaking. The nitrous system comes
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 1641 reviews
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Product Reviews
★★★★★ 4
Too Tight but It Works
It doesn't really sit on very well to be honest, it tends to sit TOO tight in my opinion. Taking it off can be a hassle but at least it gets the job done, durability is good, finish is great, obviously easy to use.
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Reviewed in the United States on April 28, 2025
★★★★★ 5
BMW F25
Saved me when tried to change the oil. Great price
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Un buen precio
Color: Silver
Quedó bien
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Reviewed in the United States on March 20, 2026
★★★★★ 1
Not as described does not fit
Color: Silver
Not as described does not fit no good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
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