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NX - Nitrous Express

NX - Nitrous Express

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!

Individual Parts

Results 1 - 25 of 613

Nitrous Oxide System, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 10 lb Bottle, Microswitch Activation, Kit

Part Number: NEX-20421-10

3.96 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-10

4.5 out of 5 stars ( 2 )

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Nitrous System, 10 lb Bottle, 4150 4-Barrel/Gas, Kit

Part Number: NEX-30040-10

4.6 out of 5 stars ( 5 )

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Nitrous Oxide Purge Kit, Mainline, -4 AN Hose, Purge Solenoid, Fittings, 3/16 in. Stainless Tubing, Kit

Part Number: NEX-ML15600

4.37 out of 5 stars ( 19 )

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RPM Activated Switch, Digital, Adjustable, No RPM Chips Required, Each

Part Number: NEX-18959

5.0 out of 5 stars ( 3 )

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Nitrous System, Mainline 4500 Carb kit, w/ 10 lb bottle

Part Number: NEX-ML1001

4.67 out of 5 stars ( 3 )

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Nitrous Oxide Activation Switches, Throttle Position Activation Switches, Bracket, Carburetor Fuel Delivery, Holley, 4150, 4150 HP, Each

Part Number: NEX-15569

4.86 out of 5 stars ( 7 )

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Nitrous Oxide System, Mopar Plate, Wet, +400 hp, 10 lb. Bottle, Aluminum, White, Chrysler, Dodge, Jeep, Kit

Part Number: NEX-20944-10

3.0 out of 5 stars ( 2 )

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Nitrous Oxide Activation Switches, Wide-Open Throttle Switches, Billet Aluminum Bracket, Carburetor Fuel Delivery, Holley, Dominator, Kit

Part Number: NEX-15577

5.0 out of 5 stars ( 3 )

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Nitrous Syst. Pro Shark Nozzle Gas(200-300-400-500-600HP) 4 Solenoids, No Bottle

Part Number: NEX-90006-00

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Nitrous Bottle Heater, Heavy Duty Nitrous Bottle Heater, Fully Automatic, D-6 w/Nitrous Gauge

Part Number: NEX-15937

Not Yet Reviewed

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Nitrous Oxide System, Hitman, Wet, 100-200 hp, 10 lb. Bottle, White, Square Bore, 4-Barrel, Kit

Part Number: NEX-40040-10

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Nitrous Oxide System, Billet Crossbar, Dominator 4500 Series Plate, Wet, Microswitch, Bottle, Dual Stage, Kit

Part Number: NEX-66047-15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Nitrous Controller, Digi-Set Time Delay Switch, Each

Part Number: NEX-15964

3.0 out of 5 stars ( 1 )

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Fuel Pressure Switch; Fuel Pressure Safety Switch; Carburetor. Fuel Pressure; Heavy Duty

Part Number: NEX-15708

4.8 out of 5 stars ( 5 )

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Nitrous Activation Switch, Fits with Throttle Position Sensor, Each

Part Number: NEX-15961

Not Yet Reviewed

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Nitrous Oxide System, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, Universal, Push-Button Activation, Kit

Part Number: NEX-20421-00

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Nitrous Oxide Safety Valve

Part Number: NEX-15158-6

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Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 10 lb. Bottle, GM, LS, Kit

Part Number: NEX-20935-10

3.83 out of 5 stars ( 6 )

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Nitrous Oxide System, Proton, Wet, 35, 50, 75 hp, 10 lb Bottle, Universal, Push-Button Activation, Kit

Part Number: NEX-20420-10

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-10

3.0 out of 5 stars ( 1 )

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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 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Wide Open Throttle Switch, w/Dominator Bracket

Part Number: NEX-15527

5.0 out of 5 stars ( 5 )

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Fuel Pressure Switch; Fuel Pressure Safety Switch; EFI

Part Number: NEX-11720

Not Yet Reviewed

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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 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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