4500 Assassin Plate Converson Pro Power 100-500Hp Nitrous Express NX NX678 - USA-NX678 - Assassinate 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. This new innovation provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is the Next Generation in nitrous plate technology. Plate thickness: 7/8" Conversion includes: The Nitrous Assassin Plate Stainless Braided Lines Jetting from (100-500hp) Carb Studs If you have an aftermarket engine management system that is capable of adding nitrous enrichment fuel and want this system DRY (no fuel components), please contact us.