Nitrous Oxide System - NOS Cheater Dual Shot System Holley 4-bbl and late-model Carter AFB carbs (02201NOS)Cheater Dual Shot Systems Maximum Performance From Starting Line Like Having Two Systems In One Both Stages Adjustable Includes Power Jet Variety 10lb. Capacity Nitrous Bottle 0. 5in. Injector Plate Includes Aircraft Quality Braided Hose Includes Necessary Electrical Hardware Type Holley 4 bbl Flange Type Carter AFB (Late) Flange Bottle With Bottle Usage Street Performance Quantity Sold as a kit Bottle Included Yes Bottle Brackets Included Yes Dual