Check the listing for details. NX934 Nitrous Express LS 90mm Plate Conversion (50-400HP). Color: Black, Condition: New. Listed at 415.50 USD. NX934 Nitrous Express LS 90mm Plate Conversion (50-400HP) Description: The Nitrous Express LS 90mm Plate upgrade features a billet nitrous plate that fits all LS engine series intakes, including ls2/ls3 Corvettes, Camaros, Trailblazer SS, SSR, G8, and 2007-up GM Trucks, and SUVs. This 90mm plate bolts between the throttle body and intake making installation quick, easy and attractive. This conversion kit includes the nitrous plate, longer throttle body bolts, braided stainless nitrous and fuel lines as well as jetting for 50, 100, 150, 200, 250, 300, 350 and 400 horsepower. The plate is pre-machined with a second set of nitrous and fuel passages so you can easily upgraded to a dual stage system by adding part # NX933D. This system includes: Jetting for 50-400hpDual stage capable throttle body nitrous plate24in S.H.O. nitrous lineLong throttle body mounting boltsRubber o-ring gasket *Some applications require the throttle body be turned upside down or a smaller idler pulley to be used. Shipping is FREE inside the contiguous United States. If shipping to Alaska, Hawaii or Puerto Rico please message us for a quote for additional shipping costs.