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

Marsoni M251S
Sale price$981.68
Pay 4 payments of $245.42 a month.Shop Pay
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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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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4.6 ★★★★★
Based on 942 reviews
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Verified Purchase
Arthur Gladyson
Draper, US
★★★★★ 1
Don’t buy it
Size: One Size, Color: Khaki Stone/Gravel
Shape is not like the pic I returned it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
J
Verified Purchase
Josh
Draper, US
★★★★★ 1
not good
Size: One Size, Color: Tnf Black/Asphalt Grey
weird fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 23, 2025
B
Verified Purchase
Brian Lawrence
Houston, US
★★★★★ 1
Hat
Size: One Size, Color: Tnf Black/Asphalt Grey
Doesn’t look right
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
A
Verified Purchase
Arthur Gladyson
Bozeman, US
★★★★★ 1
Don’t buy it
Size: One Size, Color: Khaki Stone/Gravel
Shape is not like the pic I returned it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
J
Verified Purchase
Josh
Fort Morgan, US
★★★★★ 1
not good
Size: One Size, Color: Tnf Black/Asphalt Grey
weird fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 23, 2025

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