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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 38 Items.
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: Today
Estimated Ship Date: Today
Nitrous System, Wet, 50-300 hp, 10 lb. Bottle, Chevy, Corvette/Camaro, 6.2L, Kit
Part Number: NEX-20938-10
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 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: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, NX Billet Crossplate, Wet, 50-300 hp, 10 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-60042-10
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Plate; Stage 6 Plate; Nitrous Plate; Dominator; 50-300 HP
Part Number: NEX-NP307
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Plate, Stage 6, Holley 2-Barrel, 50-300 hp
Part Number: NEX-NP302
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous System, Wet, 50-300 hp, No Bottle, Chevy, Corvette/Camaro, 6.2L, Kit
Part Number: NEX-20938-00
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous System; Piranha EFI Direct Port; Nitrous System; 4 Cyl.; 50-300 WHP; Piranha Nozzle; Extra Long D-4 St
Part Number: NEX-80004EFI-05
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 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: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Jet pack, DUAL STAGE BILLET CROSSBAR, (50-300 & 100-500HP)
Part Number: NEX-66042JP
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide Systems, Assissin Plate Stage 6, Dominator 4150 Flange, 50-300 HP, 15 lb. Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67040-15
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide Systems, Assissin Plate Stage 6, Dominator 4500 Flange, 50-300 HP, 5 lb. Aluminum Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67070-05
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Plate; Stage 6 Plate Conversion Kit; Holley 4-Barrel; 50-300 WHP; Incl. Plate; Connectors; HP Settings
Part Number: NEX-NX304
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BILLET CROSSBAR GASOLINE 50-300 HP JET PACK
Part Number: NEX-60047JP
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous System, 15 lb Bottle, BMW, EFI, All, Dual Nozzle, 50-300 HP, Kit
Part Number: NEX-20816-15
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide Systems, Assissin Plate Stage 6, Dominator 4500 Flange, 50-300 HP, 12 lb. Carbon Fiber Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67070-12
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
4500 BILLET CROSSBAR GASOLINE STAGE 6 50-300 HP JET PACK
Part Number: NEX-63070JP
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Jet; Piranha EFI Nozzle Jet Pack; Nitrous Jet; 4 Cyl.; 50-300 HP; For Use w/Nitrous System PN[80004EFI
Part Number: NEX-80004EFIJP
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Jet pack, DUAL STAGE BILLET CROSSBAR, (50-300 & 100-500HP)
Part Number: NEX-66047JP
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
4500 Trinity Plate Conversion Stage 6 (50-300)
Part Number: NEX-NX602
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous System, 12 lb Bottle, BMW, EFI, All, Dual Nozzle, 50-300 HP, Kit
Part Number: NEX-20816-12
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Plate, Stage 6, Holley 4-Barrel, 50-300 hp
Part Number: NEX-NP304
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide Systems, Assissin Plate Stage 6, Dominator 4500 Flange, 50-300 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67070-00
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous System, Wet, 50-300 hp, 15 lb. Bottle, Chevy, Corvette/Camaro, 6.2L, Kit
Part Number: NEX-20938-15
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Plate, 4150 4-Barrel, Pro-Power, Plate Only, 1st Stage 50-300 HP, 2nd Stage 100-500 HP
Part Number: NEX-NP954
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
