Nitrous Express Dual Stage Upgrade For Dual Stage Throttle Body Plates

The Nitrous Express LS 90mm, and 102mm and the Hemi Plate Systems are pre-machined with a second set of nitrous and fuel passages so you can easily upgrade to a dual stage system by adding this upgrade package. This dual stage upgrade kit includes a set of Lightning series fuel and nitrous solenoids, solenoid brackets, billet Y fitting, braided stainless lines, plate fittings, solenoid fittings and jetting for 50, 100, 150, 200, 250, 300, 350 and 400 horsepower.