Nitrous Express 4150 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/o Bottle

Nitrous Express 4150 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/o Bottle

Marsoni

M251S

$545.04

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

Nitrous Express 4150 Assassin Plate Pro Power Nitrous Kit (100-500HP) w/o 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.
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Reviewed in the United States on May 22, 2026