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 Dominator (Holley 4500 Flange) 190-300 HP with 10 lb bottle