Brand:Dracary Product Line:Dry Nitrous Nozzles Summit Racing Part Number:DR-308021 Nozzle Discharge Style:Fogger Nozzle Thread Size:1/16 in. NPT Nozzle Material:Aluminum Nozzle Finish:Purple anodized,Nitrous/Fuel Jets Included:No Quantity:Sold individually. Dracary dry nitrous nozzles are revolutionary in their design, facilitating better distribution from cylinder to cylinder. This is accomplished by promoting the expansion of nitrous in a conical pattern upon exiting the nozzles to completely fill the intact tract. Racers looking for ways to upgrade their nitrous systems for better performance on the track certainly can't go wrong with these small but key parts, available in both aluminum and stainless steel.