Nitrous Oxide System - NOS Super Powershot Wet Nitrous System Holley 4150 Square Bore and Edelbrock Carburetors [10 lb. Black Bottle] (05101BNOS)Super Powershot Nitrous Systems Note: Super Powershot Systems require a fuel pump that flows at least 35 gallons per hour at 6 PSI. NOS Super Powershot Wet Nitrous Systems provide an excellent way to increase up to 150 adjustable horsepower in your engine. Super Powershot systems use highly accurate spray bars within a " thick plate to simultaneously inject both nitrous and fuel into the manifold creating smooth power on demand! Super Powershot Wet