Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
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 29 Items.
Nitrous Upgrade, Dual Stage Throttle Body, Kit
Part Number: NEX-NX933D
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered 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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 10 lb. Bottle, GM, LS, Kit
Part Number: NEX-20935-10
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: 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, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide Plates
Part Number: NEX-NP933
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide System, EFI Single Nozzle, Wet, 35-150 hp, 15 lb. Bottle, White, Chevy, V6/V8, Kit
Part Number: NEX-20930-15
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous System, 10 lb Bottle, 5th Gen Plate, Kit
Part Number: NEX-20931-10
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, Camaro, 5th Gen Plate, No Bottle
Part Number: NEX-20931-00
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous System, 15 lb Bottle, 5th Gen Plate, Chevy, Small Block, Kit
Part Number: NEX-20931-15
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, EFI Single Nozzle, Wet, 35-150 hp, No Bottle, White, Chevy, Kit
Part Number: NEX-20930-00
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Nitrous Oxide System, EFI Single Nozzle, Wet, 35-150 hp, 5 lb. Bottle, White, Chevy, V6/V8, Kit
Part Number: NEX-20930-05
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
