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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 80 Items.
Nitrous Oxide Systems, Pro Power, Dominator 4500 Flange, 100-500 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67570-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Dominator 4150 Flange, 100-500 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67540-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Conversion Kit Pro Power Plate Holley 4Barrel (100-200-300-400-500Hp)
Part Number: NEX-NX504
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Alcohol, 4150 Flange, 100-500 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67545-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Alcohol, 4150 Flange, 100-500 HP, 15 lb. Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67545-15
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, 10 lb Bottle, Dominator/Gas, 100-200-300-400-500 HP, Kit
Part Number: NEX-50070-10
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, Dominator/Alcoohol, 100-200-300-400-500 HP, No Bottle
Part Number: NEX-50275-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, Dominator/Alcohol, 100-200-300-400-500 HP, No Bottle
Part Number: NEX-50075-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, 15 lb Bottle, 4150 4-Barrel/Gas, 100-200-300-400-500 HP, Kit
Part Number: NEX-50040-15
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, 12 lb Bottle, Dual Dominator/Gas, 100-200-300-400-500 HP, Kit
Part Number: NEX-50270-12
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, 12 lb Bottle, Dominator/Gas, 100-200-300-400-500 HP, Kit
Part Number: NEX-50070-12
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, 12 lb Bottle, Dual 4150/Alcohol, 100-200-300-400-500 HP, Kit
Part Number: NEX-50245-12
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, Pro-Shk/Gas Kit, 200-300-400-500-600 HP, 4 Solenoids w/ Rails, No Bottle
Part Number: NEX-91006-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous System, 10 lb Bottle, Pro-Shk/Gas Kit, 200-300-400-500-600 HP, 4 Solenoids w/ Rails, Kit
Part Number: NEX-91006-10
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Alcohol, 4500 Dominator Flange, 100-500 HP, 10 lb. Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67575-10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide Systems, Pro Power, Dominator 4500 Flange, 100-500 HP, 10 lb, Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67570-10
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Alcohol, 4500 Dominator Flange, 100-500 HP, 15 lb. Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67575-15
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Plate; Pro Power Plate Conversion Kit; Dual Dominator; 100-500 HP; Incl. Plate; Connectors; HP Setting
Part Number: NEX-NX5027
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Dominator 4500 Flange, 100-500 HP, 15 lb, Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67570-15
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Plate, Dual 4150 PRo-Power w/ Connectors and HP Settings
Part Number: NEX-NX5024
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Alcohol, 4500 Dominator Flange, 100-500 HP, 12 lb. Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67575-12
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Dominator 4500 Flange, 100-500 HP, 12 lb, Carbon Fiber Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67570-12
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Alcohol, 4500 Dominator Flange, 100-500 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67575-00
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Dominator 4150 Flange, 100-500 HP, 15 lb. Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67540-15
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Nitrous Oxide Systems, Pro Power, Dominator 4150 Flange, 100-500 HP, 10 lb. Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67540-10
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
