4150 Conventional Plate System Gasoline Stage 6 50-300Hp with 15Lb Bottle Nitrous Express NX 30040-15 - USA-NX-30040-15 - The conventional Stage 6 is the perfect entry level nitrous system for the budget minded sportsman racer. These systems feature the most advanced technology using the conventional spraybarless design. The Phase 3 series plates are the Next Generation in nitrous performance and reliability. This new innovation in nitrous plate technology provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is truly the Next Generation in nitrous plate technology. Systems come complete and include limited lifetime guaranteed Lightning solenoids, heavy duty 40 amp relay. 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