★★★★★ 5
Great Quality
Size: 300A
Exactly what I needed. Good quality and worked perfectly.
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Reviewed in the United States on May 21, 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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You'll receive a tracking link by email once your Nitrous Express 4500 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/5lb Bottle ships.
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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
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4.5 ★★★★★
Based on 1540 reviews
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Product Reviews
★★★★★ 5
Great
Size: 300A, Size: 300A
Easy to install works great and really good quality and clean looking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2025
★★★★★ 5
Nice!
Size: 300A
I was not expecting these to be this nice. You just can't beat the value. They look great and feel like they will hold up a long time. I definitely recommend!
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Reviewed in the United States on July 17, 2024
★★★★★ 5
Solid choice for fuse holder
Size: 300A Fuse Holder
It’s awesome, solid connections for running 0 gauge wire. No issues after using for months! Might upgrade to using 0 gauge wire ferrules to use with this but for now everything is working well.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Would buy again
Size: 300A Fuse Holder
Works as described
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
