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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 512

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 )

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

Part Number: NEX-ML15600

4.4 out of 5 stars ( 20 )

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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, 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 System, 10 lb Bottle, EFI, Dry, Single Nozzle Kit, 35-150 HP, Kit

Part Number: NEX-21000-10

Not Yet Reviewed

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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 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 System, 10 lb Bottle, Dual/4150 4-Barrel/Gas, 50-100-150-200-250-300 HP, Kit

Part Number: NEX-30240-10

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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

Part Number: NEX-15937

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Nitrous System; Shark Direct Port; Nitrous System; 8 Cyl.; 200-600 WHP; Gasoline; 4 Solenoids; w/15 lb. Bottle

Part Number: NEX-90006-15

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Upgrade Kit, Nitrous Oxide, Gen-X2, Bottle Heater, Pressure Gauge, Fuel Switch, Blow Down Fitting, Kit

Part Number: NEX-GENX-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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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 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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Nitrous System, Wet, 50-300 hp, 10 lb. Bottle, Chevy, Corvette/Camaro, 6.2L, Kit

Part Number: NEX-20938-10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Nitrous Oxide System, 5.0L Foxbody, Throttle Body Spacer Plate, Wet, 5 lb. Bottle, White, Ford, Kit

Part Number: NEX-20955-05

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Nitrous Oxide System, Ford 5.0 Coyote, 7.3 Godzilla, Nitrous Plate, Wet, +250 hp Max, +200 hp Jetting, 15 lb. Bottle, Ford, Kit

Part Number: NEX-20951-15

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Nitrous Oxide System, Piranha, Direct Port, Wet, 200-500 hp, No Bottle, EFI, Kit

Part Number: NEX-80001EFI-00

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Estimated Ship Date: Mar 3, 2026 if ordered 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 Oxide System, Billet Crossbar, Dominator 4500 Series Plate, Wet, WOT, 10 lb. Bottle, Kit

Part Number: NEX-60047-10

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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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 Safety Valve

Part Number: NEX-15158-6

5.0 out of 5 stars ( 1 )

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