Q-Jet Holley Spreadbore Hitman Nitrous System 100-150-200Hp with 12Lb Carbon Bottle Nitrous Express NX 40080-12 - USA-NX-40080-12 - Q-Jet Holley Spreadbore Hitman Nitrous System 100-150-200Hp For the enthusiast who wants to use nitrous yet does not want to spend a lot of money, the Hitman is the way to go. Equipped with the latest Lightning bottle valve, stainless bottle brackets and the adjustability of three horsepower settings: 100-150-200. The Phase 3 series nitrous plates are the Next Generation in nitrous performance and reliability. This new innovation in plates provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is truly the Next Generation in plate technology. The Hitman is the perfect, low cost, introductory system for the nitrous novice. 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. THE NITRO BOTTLE IS EMPTY! Instructions PDF