Complete nitrous wet nitrous kit......throttle body plate with gasket (52mm) with extended bolts included, 15 lb bottle with bottle heater, purge solenoid with underhood piping, an older msd ignition with brand new unopened connection to factory ignition, the plate that sits on the drivers side of the intake to adjust shift linkage (hard to find), all interior switches....on/off/purge.....wot switch........it's actually already been wired for a camaro with wires labeled and ready to install.