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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 18 Items.
Nitrous System, Q-Jet/Holley Spredbore, 50-100-150-200-250-300 HP, No Bottle, Kit
Part Number: NEX-30080-00
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 10 lb Bottle, Q-Jet/Holley Spredbore, 50-100-150-200-250-300 HP, Kit
Part Number: NEX-30080-10
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, Mainline Q-Jet Carb kit, w/ 10 lb bottle
Part Number: NEX-ML1002
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 5 lb Bottle, Q-Jet/Holley Spredbore, 50-100-150-200-250-300 HP, Kit
Part Number: NEX-30080-05
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 12 lb Bottle, Q-Jet/Holley Spredbore, 50-100-150-200-250-300 HP, Kit
Part Number: NEX-30080-12
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 15 lb Bottle, Q-Jet/Holley Spredbore, 50-100-150-200-250-300 HP, Kit
Part Number: NEX-30080-15
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous Plate; Stage 6 Plate Conversion Kit; Q-Jet/Spreadbore; 50-300 WHP; Incl. Plate; Connectors; HP Setting
Part Number: NEX-NX308
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous Plate; Hitman Plate; Nitrous Plate; Q-Jet, Spreadbore; 100-200 HP
Part Number: NEX-NP408
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, Q-Jet/Holley Spreadbore, Hitman Kit, 100-150-200 HP, No Bottle
Part Number: NEX-40080-00
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 5 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Kit, 100-150-200 HP, Kit
Part Number: NEX-40080-05
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 10 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Kit, 100-150-200 HP, Kit
Part Number: NEX-40080-10
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 12 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Kit, 100-150-200 HP, Kit
Part Number: NEX-40080-12
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 15 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Kit, 100-150-200 HP, Kit
Part Number: NEX-40080-15
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, Q-Jet/Holley Spreadbore, Hitman Plus Kit, 100-150-200 HP, No Bottle
Part Number: NEX-40081-00
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 5 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Plus Kit, 100-150-200 HP, Kit
Part Number: NEX-40081-05
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 10 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Plus Kit, 100-150-200 HP, Kit
Part Number: NEX-40081-10
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 12 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Plus Kit, 100-150-200 HP, Kit
Part Number: NEX-40081-12
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Nitrous System, 15 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Plus Kit, 100-150-200 HP, Kit
Part Number: NEX-40081-15
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
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