Check the listing for details. Nitrous Express NP606 Stage 6 Nitrous Billet Aluminum Crossbar Plate Only. Color: Black, Condition: New. Listed at 373.40 USD. Nitrous Express NP606 Stage 6 Nitrous Billet Aluminum Crossbar Plate Only Part # NP606 Nitrous Express Details Fuel Delivery Style: CarburetedCarburetor Quantity: OneCarburetor Flange: Square boreNitrous Plate Material: AluminumNitrous Plate Finish: Black anodizedNitrous Plate Height (in.): 0.750 in.Jets Included: NoBurst Panel Included: NoPlumbing Lines Included: NoMounting Hardware Included: No Nitrous Express Stage 6 nitrous plates lead the way with performance and reliability. These innovative plates provide superior distribution and outstanding atomization, ensuring a safe but powerful nitrous system. They have no spray bars to sag, split, or break—making them "next generation" technology, indeed. Nitrous Express Stage 6 nitrous plates are available in various quantities and configurations for particular carburetor flange types.