ZEX Nitrous 82357 Safe Shot Nitrous System Base Safe Shot System includes stainless steel hoses, high-flow bottle valves, solenoids and 5 lb. black powder coated bottle Readily accepts all popular accessories like purge kits and remote bottle openers Upgrade kit includes high-flow fuel solenoid, wet nitrous nozzle, tuning jets, stainless steel braided lines and other necessary components