The STD (Straight Through Design) Nozzles are the first choice for high horsepower engines utilizing annular nozzle bungs.The STD Nozzle features a Billet Aluminum body, 1/16npt threads, a straight through discharge, as well as Stainless-Steel jet fittings eliminating broken fittings while changing jets.The patented STD Nozzle has a maximum flow of 150 horsepower and ensures excellent atomization for the ultimate in horsepower production and reliability.The STD Nozzle is available individually, or in many NX Direct-Port systems.First in Quality, first in technology, Nitrous Express, the Next Generation nitrous company!