★★★★★ 5
True to size!
Size: 7 Years, Color: Black
Worked perfectly for my 6 year old for my wedding
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Reviewed in the United States on October 29, 2025
Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/5lb Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/5lb 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.
Quick Dispatch:
Your Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/5lb 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
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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]
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4.7 ★★★★★
Based on 2191 reviews
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Product Reviews
★★★★★ 3
Failed Quality Check
The construction is nice and the color and size are good. I like that it has functional pockets.
I’m giving three stars based on the fact that it arrived dirty. There are stains in two spots and will need to be spot treated before washing.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Great product for the price
Size: 4T, Color: Black
Great product for the price
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Reviewed in the United States on May 4, 2022
★★★★★ 5
Good quality
Was used for a costume, it fit my little boy really well & held up great despite washing multiple times
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Reviewed in the United States on November 10, 2019
★★★★★ 5
Kindergarten prom
Size: 4, Color: Burgundy, Size: 4, Color: Burgundy
Item was very nice, it came quickly and he wore it to his lil prom yesterday. Will reorder in the future.
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Reviewed in the United States on January 29, 2026
