The NX V-Twin Stage 1 Piranha Nozzle system is designed for all V-twin applications with a single carburetor, and includes a fuel pump to supply the necessary fuel for the nitrous system. This system comes complete with new Lightning Solenoids, fuel pump, 2.5lb bottle, stainless steel bottle bracket, nitrous and fuel lines, relay and wiring harness, WOT activation switch and jetting for 15, 25, 35 and 50hp.