Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/10lb Bottle

Nitrous Express Nitrous & Water Injection Kit w/Billet LT4 Supercharger Lid w/10lb Bottle

Marsoni

M251S

$2287.20

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/10lb 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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Excellent filters that do a great job. After educating myself on furnace filters I was surprised to learn that higher MERV numbers can put a strain on your air conditioning system and furnace. These are much more affordable and are very effective at filtering the air. I’m allergic to everything and these work just fine.

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Reviewed in the United States on April 30, 2026

Verified Purchase

irishfan

Belleville, US

★★★★★ 5

Well Made and Fits Good

Size: 16x25x1

This filter seems to be the best made one that I've bought that I consider to be a good value, and I've bought many brands -- with the board frame beig the primary reason, but filter media is just as good and probably better too.

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Reviewed in the United States on May 11, 2026

Verified Purchase

Emily Nash

West Palm Beach, US

★★★★★ 4

High Quality Air Filters

Size: 20x25x1

Great price for this 4 pack of filters! Fit true and have already helped increase airflow!

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Reviewed in the United States on April 1, 2026

Verified Purchase

Lisa Hill

Massapequa, US

★★★★★ 5

Quality and convenient four-pack

Size: 12x24x1

Exactly what I needed and love the idea that it comes in a four pack which makes it much more convenient when it's time to change my filters. They are quality made at a decent price. Will purchase again when needed!

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Reviewed in the United States on May 9, 2026

Verified Purchase

Michael

West Palm Beach, US

★★★★★ 5

Great filter for dusty environments.

Size: 20x25x1

What a wonderful filter! Did a great job keeping this Arizona house dust down to a minimum. Yes, I will buy it again.

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Reviewed in the United States on June 1, 2026