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The Nitrous Express 4150 4‑bbl Pro‑Power plate is a Pro‑Power series plate for 4150 carburetor patterns that covers 100–500 horsepower stages. Supplied as a plate-only component, it allows wide-ranging staged nitrous delivery for builders using a 4150 flange, enabling flexible tuning across multiple power steps while integrating with standard 4‑bbl mounting.
Nitrous Express 4150 4-BBL Pro-Power Nitrous Plate Only (100-500HP)
