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Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/12lb Bottle
Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/12lb Bottle
Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/12lb Bottle
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Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/12lb Bottle

Marsoni M251S
Sale price$1050.23
Pay 4 payments of $262.56 a month.Shop Pay
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/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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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
4.4 ★★★★★
Based on 657 reviews
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Product Reviews
W
Verified Purchase
Walt D
Boise, US
★★★★★ 5
Works perfect. My trim looks brand new again.
Number of Items: 2
This product worked great. I love the finished look. It was definitely worth the money and didn't take long to apply. I recommend to everyone looking to bring back your black trim to original.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
S
Verified Purchase
Stacey Hopkins
Battle Creek, US
★★★★★ 5
Trim rejuvenator.
Number of Items: 1, Number of Items: 1
This product works! One application made my trim look brand new!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
M
Verified Purchase
Me
Bozeman, US
★★★★★ 4
Easy to use
Number of Items: 1
It worked fairly well ,easy to use don’t really know the long term longevity of it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
V
Verified Purchase
Verified Purchaser
West Palm Beach, US
★★★★★ 1
Worthless junk
Number of Items: 1, Number of Items: 1
Total absolute worthless crap. Does nothing to faded plastic. Looks nice wet after application, but bext day there is NO DIFFERENCE on the plastic apearance. See photo
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
R
Verified Purchase
Rosa Garcia-Hernandez
Draper, US
★★★★★ 5
Good
Number of Items: 1
Make car look much better. Sponge is too small and hard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026

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