This kit has everything you need to plumb up your intake manifold with a direct port nitrous kit. Our Cold Fusion Nitrous direct port kit includes the following: 8 stainless steel 90 degree nozzles, 2 pro nitrous side port solenoids with .125 orifice, 2 fuel solenoids with .187 orifice, 4 distribution blocks with fittings, 16 stainless steel tubes ready to use, and all the needed fittings with a 300HP set of jets.