Nitrous Express Nitrous Systems 62025P Direct-port system for carbureted single cylinder engine. Includes our exclusive "MAINLINE" solenoids,braided stainless hoses,Piranha nozzle,fuel pump, relay,microswitch, arming switch, jetting for 10,15,20 or25HP. Bottle and bracket. SINGLE CYLINDER "MAINLINE' SYSTEM 2.5LB N2OSys
