Quick view Nitrous Express Nitrous Express Lightning Nitrous Solenoid (.031 Orifice) - 15098L Compare $151.99 NX Lightning solenoids feature a raised inlet and bottom exit which eliminate up to three 90 degree turns and one expansion area in the body of the solenoid. The result is more horsepower! Lightning solenoids are CNC machined from lightweight billet... Add to Cart Add to Cart