Carbureted Plate Systems
EFI Systems
Direct Port Systems
Diesel Systems
Powersport Systems
Hidden Systems
Controllers and Accessories
Bottles and Accessories
Intercooler Sprayers
Nitrous Blowdown Hoses and Tubes
Gauges
Distribution Blocks, Filters, Adapters and Fittings
Nitrous Plates
Microswitch and Solenoid Mounting Brackets
Solenoids and Solenoid Service Parts
NOS Jets
Nozzles
Tools
Purge Kits
Electrical and Wiring
Refill Kits and Components
Hose Lines and Tubing
Apparel & Collectibles
Bottle Siphon Tubes
New Mini 2-Stage Progressive Nitrous Controller
New & Hot NOS Parts
NOS News
How to Add Nitrous to Your LS-Powered Vehicle
By: | 2020-11-25Adding nitrous to an LS is easy and there are a multitude of ways to do it. In this power-packed segment, we'll show you how to add an NOS nitrous kit to your LS engine.
Read MoreHow Do Nitrous Nozzles Work?
By: | 2020-10-23NOS offers multiple nitrous nozzle styles and in this installment, we walk you through how to choose the correct one for your build.
Read MoreNOS Releases Gen-V LT Hi-Ram Dry Nitrous Plates!
By: | 2020-05-21It has never been easier to make BIG power from your GM Gen-V LT engine and NOS is ready to help you stack another 250+ horsepower on top! Holley is pleased to introduce their new NOS Hi-Ram Dry Nitrous Plates specifically for GM Gen-V LT engines utilizing a Holley EFI Hi-Ram manifold. These "sandwich style" nitrous plates are machined from billet aluminum with passages machined directly into the plate eliminating the need for finicky spray bars. CLICK HERE TO LEARN MORE!
Read More- see more NOS news...
NOS Tech & Support
Tech Videos
Watch our instructional videos on NOS
Frequently Asked Questions
Be sure and visit our frequently asked questions section for quick answers.
NOS Refill Locations
Find NOS Refill Locations Near You!
NOS Forums
Resource Documents & Library
Browse our technical documentation and downloads for information.