4500 Conventional Plate System Gasoline Pro-Power 100-500Hp without Bottle Nitrous Express NX 50070-00 - USA-NX-50070-00 - The conventional Pro Power is the perfect mid 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, 10lb bottle, stainless bottle brackets, and extra long supply line. 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. Instructions PDF