Wilson Nitrous System, complete with (2) Holley Dominator plates, large nitrous solenoid, purge solenoid, fuel solenoid. Includes extra burst plates, all jets, calculated to provide 75 hp. to 300 hp. Jet sizes are, .042, .046, .050, .056, .065. ( It is recommended that the buyer do his own calculations about the jet sizes ) Shipping to the lower 48 is included !!!!!!