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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!
Showing In Stock Items. Show All 484 Items.
Nitrous Oxide System, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 10 lb Bottle, Microswitch Activation, Kit
Part Number: NEX-20421-10
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide System, MainLine, Wet, 50-150 hp, 10 lb. Bottle, White, EFI, Kit
Part Number: NEX-ML2000
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous System, 10 lb Bottle, Dual/4150 4-Barrel/Gas, 50-100-150-200-250-300 HP, Kit
Part Number: NEX-30240-10
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, Wet, 50-300 hp, 10 lb. Bottle, Chevy, Corvette/Camaro, 6.2L, Kit
Part Number: NEX-20938-10
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, Proton, Wet, 35, 50, 75 hp, 10 lb Bottle, Universal, Push-Button Activation, Kit
Part Number: NEX-20420-10
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
LS Single Entry 90mm Plate Hardline System (50-400Hp) W/ 10# Bottle
Part Number: NEX-20934S-10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 15 lb Bottle, Universal, Microswitch Activation, Kit
Part Number: NEX-20421-15
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide System, Proton, Wet, 35, 50, 75 hp, 5 lb Bottle, Universal, Push-Button Activation, Kit
Part Number: NEX-20420-05
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide Plates, LS 102mm Plate Conversion, Throttle Body Plate, Longer Bolts, Braided Line, Jets for 50 to 400 Horsepower, Chevrolet, LS, Kit
Part Number: NEX-NX933
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, Proton, Wet, 35, 50, 75 hp, 15 lb Bottle, Universal, Push-Button Activation, Kit
Part Number: NEX-20420-15
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, Proton, Wet, 35, 50, 75 hp, Universal, Push-Button Activation, Kit
Part Number: NEX-20420-00
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, Universal, TPS Activation, Kit
Part Number: NEX-20422-00
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 10 lb Bottle, Universal, TPS Activation, Kit
Part Number: NEX-20422-10
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, Maverick System, 2.5 lb. Bottle, 50 HP, UTV, Kit
Part Number: NEX-67200-2-5P
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, Maverick System, 5 lb. Bottle, 50 HP, UTV, Kit
Part Number: NEX-67200-5-0P
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 5 lb Bottle, Universal, Microswitch Activation, Kit
Part Number: NEX-20421-05
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide Systems, Assassin Plate Stage 6, Dominator 4150 Flange, 50-300 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67040-00
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, Dual/4150 4-Barrel/Gas, 50-100-150-200-250-300 HP, No Bottle, Kit
Part Number: NEX-30240-00
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, Powersport, 2 Cylinder, Single Carburetor, 50 Max Horsepower, White Bottle, Kit
Part Number: NEX-60022P
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 10 lb Bottle, Universal, Push-Button Activation, Kit
Part Number: NEX-20421-12
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 15 lb Bottle, Universal, TPS Activation, Kit
Part Number: NEX-20422-15
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide, Proton, Wet, 35, 50, 75, 100, 125, 150 hp, 10 lb Bottle, Universal, TPS Activation, Kit
Part Number: NEX-20422-12
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, Proton, Wet, 35, 50, 75 hp, 10 lb Bottle, Universal, Push-Button Activation, Kit
Part Number: NEX-20420-12
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
