Availability
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 20 Items.
Nitrous Oxide Plumbing Lines, Braided Stainless Steel, Natural, Pair
Part Number: NEX-15731LK
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 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: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
3AN SS Braided Hose Black, 18.5 inch (45° one end)
Part Number: NEX-10018-45
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 10 lb. Bottle, GM, LS, Kit
Part Number: NEX-20935-10
Estimated Ship Date: Today
Estimated Ship Date: Today
Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 15 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20934-15
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Upgrade, Dual Stage Throttle Body, Kit
Part Number: NEX-NX933D
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 12 lb. Bottle, GM, LS, Kit
Part Number: NEX-20935-12
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 12 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20934-12
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20934-10
Estimated Ship Date: Today
Estimated Ship Date: Today
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20933-10
Estimated Ship Date: Today
Estimated Ship Date: Today
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 5 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20933-05
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, Chevy, LS, Kit
Part Number: NEX-20933-00
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 5 lb. Bottle, GM, LS, Kit
Part Number: NEX-20935-05
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, Chevy, LS, Kit
Part Number: NEX-20934-00
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 5 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20934-05
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 15 lb. Bottle, GM, LS, Kit
Part Number: NEX-20935-15
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 12 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20933-12
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 15 lb. Bottle, Chevy, LS, Kit
Part Number: NEX-20933-15
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, No Bottle, GM, LS, Kit
Part Number: NEX-20935-00
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Nitrous Oxide Plate, LS Plate Conversion, 90mm, Aluminum, Black Anodized, 1.000 in. Height, Kit
Part Number: NEX-NX934
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster