The NOS Big Shot systems use a special "fogging" plate design that vastly improves nitrous flow, fuel atomization and mixture distribution. This Big Shot plate utilizes a unique spray bar that is equipped with tiny orifices. These are precisely located to efficiently dispense a powerful nitrous/gasoline mixture for unbelievable horsepower. Power output is adjustable from 190-300 horsepower simply by changing fuel and nitrous jets. Single stage Big Shot systems incorporate a NOS Pro Shot nitrous solenoid with -6 AN nitrous supply line. Systems include a variety of power jets, nitrous bottle, 1/2" fogging plate, filters, fuel and nitrous fittings, switches and all electrical and other hardware necessary for installation. Big Shot fogging plates are available separately. Big Shot Nitrous System Holley 4 bbl (Holley 4150 Flange) 190-300 HP with 10 lb bottle