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The Nitrous Express 4150 crossbar Stage Six plate is a 4150‑pattern plate that uses a crossbar design and supplies six staged jet sizes from 50–300 horsepower. As a Stage Six plate-only option, it removes round spray bars for improved atomization and more even cylinder distribution while fitting standard 4150 4‑barrel mounting for staged nitrous applications.
Nitrous Express 4150 Crossbar Stage Six Plate Only (50-100-150-200-250-300 HP)
