Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle

Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle

Marsoni

M251S

$2773.59

Get it in 3 business days with 1 day shipping. Friday, May 29

Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb 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

Easy Shipping

Quick Dispatch:

Your Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle ships.

Need Help?
Questions about Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/12lb Bottle in your area.

Get Shipping Estimates

Country Zip/Postal Code

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

I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 7, 2026

Verified Purchase

Jack

Massapequa, US

★★★★★ 5

Must have.

Size: 150 ml, Pack of 1

Very good product, works great.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 7, 2026

Verified Purchase

Robert Cordrick

Louisville, US

★★★★★ 5

Good for routine engine care

Size: 150 ml, Pack of 1

Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 21, 2026