Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/12lb Bottle

Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/12lb Bottle

Marsoni

M251S

$981.68

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

Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/12lb BottleAssassinate the competition with the Assassin plate system. The Assassin is the most technically advanced single stage plate ever designed. The CNC machined design integrates the nitrous and fuel discharge ports into the outer perimeter. The Assassin offers a unique perimeter spray pattern that assures perfect nitrous fuel distribution. Which in turn solves the problems commonly found on single plane manifolds, particularly small and big block Fords.

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These are quite nice and also sturdy. Only complaint I have is that I bought a couple of these, and on one of them, only one of them, it was difficult to get the hidden mounts to go into the holes. I think it was probably a manufacturing defect thing. Also, on that particular one, it wasnt as level as the other. Not a show stopper, but if you need a perfectly level type of mounting situation, I would be careful here.

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Reviewed in the United States on September 14, 2025

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NatKenneally

Lexington, US

★★★★★ 5

Great value/easy to install.

Size: 24x6 2Pcs, Color: Black, Size: 24x6 2Pcs, Color: Black

Great product and great value. Easy to install and adds a nice touch to a bathroom.

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Reviewed in the United States on March 21, 2026

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