These nitrous solenoids are used in the Pro Race Fogger systems, or in custom applications where maximum flow is needed. These state-of-the-art solenoids have a bottom discharge system that offers the least restriction and an increased flow rate of up to 450 HP, at a low 8.6 amp draw. They are specifically designed for competition use on highly modified engines. Features include a stainless steel body, special bubble-tight seal, very high flow, and compact size. They are easy to install and have a 1/4 in. inlet and a 1/8 in. outlet.