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 466 Items.
Water/Methanol Injection System, Gas, Stage 2, Direct Port, 4-Cylinder, Hard Lines, Kit
Part Number: NEX-15125H
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Water/Methanol Injection System, Gas, Stage 2, Direct Port, 6-Cylinder, Hard Lines, Kit
Part Number: NEX-15126H
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Water/Methanol Injection System, Gas, Stage 2, LT4 Supercharger Lid, Hard Lines, Kit
Part Number: NEX-15127H-LT4
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Water/Methanol Injection System, Gas, Stage 3, Direct Port, 4-Cylinder, Hard Lines, Kit
Part Number: NEX-15130H
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Water/Methanol Injection System, Gas, Stage 1 Boost, Kit
Part Number: NEX-15020
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Water/Methanol Injection System, Gas, Stage 1, Direct Port, 8-Cylinder, Hard Lines, Kit
Part Number: NEX-15122H
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Nitrous Oxide Plate, Billet Aluminum, Black Anodized, Fits Holley Hi-Ram Intake, Nozzles, Braided Lines, Kit
Part Number: NEX-NX940
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Nitrous Oxide System, Holley High-Ram Plenum Plate, Intake Spacer Plate, Wet, Gasoline, 10 lbs. Bottle, Stainless Steel Brackets, Fuel Injection, Kit
Part Number: NEX-20940-10
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide System, Motorcycle/Jet Ski, Wet, 10-25 hp, 2.5 lb. Bottle, White, Carburetor/Fuel Injection, Kit
Part Number: NEX-60002P
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide System, Holley High-Ram Plenum Plate, Intake Spacer Plate, Wet, Gasoline, 15 lbs. Bottle, Stainless Steel Brackets, Fuel Injection, Kit
Part Number: NEX-20940-15
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide System, Direct Port Plate System, 5.7, 6.1, 6.4 Hemi, 100-400 HP, 15 lb Bottle, Kit
Part Number: NEX-20958-15
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Nitrous Oxide System, Direct Port Plate System, 5.7, 6.1, 6.4 Hemi, 100-400 HP, No Bottle, Kit
Part Number: NEX-20958-00
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide System, Direct Port Plate System, 5.7, 6.1, 6.4 Hemi, 100-400 HP, 10 lb Bottle, Kit
Part Number: NEX-20958-10
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide System
Part Number: NEX-NX944
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Nitrous Oxide System, Powersports, Dry, 10-50 hp, 2.5 lb. Bottle, White, Cable Driven Fuel Injection, Harley-Davidson®, Kit
Part Number: NEX-62110-2-5P
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit Dodge Hellcat Nitrous Plate System w/ 5lb bottle
Part Number: NEX-20943-05
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit Nitrous & Water Methanol System w/Billet LT4 Supercharger Lid 15lb Bottle
Part Number: NEX-20939BMF-15
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit Nitrous & Water Methanol System w/Billet LT4 Supercharger Lid No Bottle
Part Number: NEX-20939BMF-00
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit Nitrous System with Billet LT4 Supercharger Lid w/ No bottle
Part Number: NEX-20939-00
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit, 112mm Adapter Plate System/10Lb Bottle
Part Number: NEX-20917-10
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit, LT2 C8 NITROUS PLATE SYSTEM (50-300HP) W/10LB BOTTLE
Part Number: NEX-20962-10
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit, LT2 C8 NITROUS PLATE SYSTEM (50-300HP) W/15LB BOTTLE
Part Number: NEX-20962-15
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit 3.6L V6 DODGE PLATE SYSTEM (50-200HP) W/ NO BOTTLE
Part Number: NEX-20971-00
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Nitrous Oxide Injection System Kit 3.6L V6 DODGE PLATE SYSTEM (50-200HP) W/ 15LB BOTTLE
Part Number: NEX-20971-15
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
