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Founded by a racer frustrated with lagging nitrous technology, Nitrous Express makes nitrous oxide injection systems designed from the ground up to be the most advanced,...
Founded by a racer frustrated with lagging nitrous technology, Nitrous Express makes nitrous oxide injection systems designed from the ground up to be the most advanced, most reliable, and most potent systems available. Built and extensively tested in America, NX “wet” nitrous systems arrive ready to install, without all the trial-and-error associated with other nitrous kits, and with accurate at-the-wheel horsepower ratings. In pursuit of perfect nitrous/fuel delivery, Nitrous Express CNC-machines its own high-efficiency, low-turbulence valves, jets, and solenoids. For complete systems, or components...
Founded by a racer frustrated with lagging nitrous technology, Nitrous Express makes nitrous oxide injection systems designed from the ground up to be the most advanced, most reliable, and most potent systems available. Built and extensively tested in America, NX “wet” nitrous systems arrive ready to install, without all the trial-and-error associated with other nitrous kits, and with accurate at-the-wheel horsepower ratings. In pursuit of perfect nitrous/fuel delivery, Nitrous Express CNC-machines its own high-efficiency, low-turbulence valves, jets, and solenoids. For complete systems, or components to complete or expand your existing nitrous setup, check out NX Nitrous Express products, available from Summit Racing!
Showing In Stock Items. Show All 348 Items.
Estimated Ship Date: Monday 12/1/2025
Burst Plate, 4500 Series
Part Number: NEX-15460
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous Oxide Injector Plate
Part Number: NEX-15461
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous Oxide Manifold Fittings
Part Number: NEX-15485
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous Purge Valve Kit, D-4 Manifold, Push Button and Vent tube
Part Number: NEX-15600
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Purge Kit; Nitrous Purge Valve; w/D-6 Manifold; Push Button; Vent Tube
Part Number: NEX-15601
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Manifold, Flo-Thru Manifold, D4 Swivel
Part Number: NEX-15501
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide Solenoid Mounting Bracket, Aluminum, Black, Designed To Mount On Top of GM LS Series Intake Manifolds, Chevrolet, Pontiac, Each
Part Number: NEX-15768
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Gauge, Nitrous Pressure, 0-1,500 psi, 2 1/16 in., 1/8 in. NPT, Analog, Mechanical, White Face, Each
Part Number: NEX-15508
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20934-10
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Purge Valve Kit, for the Ice-Man Solenoid (Solenoid, Push Button, and Vent Tube), -6 AN, Kit
Part Number: NEX-15603
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide Systems, Assissin Plate Stage 6, Dominator 4150 Flange, 50-300 HP, 10 lb. Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67040-10
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20933-10
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Gauge, Nitrous Pressure, 0-1,500 psi, 1-5/8 in., Analog, Mechanical, White Face, Each
Part Number: NEX-15509
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Purge Valve Kit, -4 AN, Push Button, 1/8 in. Poly Line, Kit
Part Number: NEX-15598
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide System, Hitman, Wet, 100-200 hp, 10 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-40040-10
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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Estimated Ship Date: Monday 12/1/2025
Nitrous System, 15 lb Bottle, Dual Dominator/Gas, 100-200-300-400-500 HP, Kit
Part Number: NEX-50270-15
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous Oxide System, Holley High-Ram Plenum Plate, Intake Spacer Plate, Wet, Gasoline, 10 lbs. Bottle, Stainless Steel Brackets, Fuel Injection, Kit
Part Number: NEX-20940-10
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 10 lb. Bottle, GM, LS, Kit
Part Number: NEX-20935-10
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, Chevy, LS, Kit
Part Number: NEX-20933-00
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Gauge, Nitrous Pressure, 0-1,500 psi, 1 3/4 in., Analog, Mechanical, White Face, Each
Part Number: NEX-15510
Not Yet Reviewed
Estimated Ship Date: Monday 12/1/2025
Estimated Ship Date: Monday 12/1/2025
Nitrous Oxide Plate, Billet Aluminum, Black Anodized, Fits Holley Hi-Ram Intake, Nozzles, Braided Lines, Kit
Part Number: NEX-NX940
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous Plate, Assassin, Dominator, 4500, Plate Only, Each
Part Number: NEX-NP677
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Nitrous System, 10 lb Bottle, 4150 4-Barrel/Gas, 100-200-300-400-500 HP, Kit
Part Number: NEX-50040-10
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Holley High Ram Plenum Plate System No Bottle
Part Number: NEX-20940-00
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
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