Zex offer some amazingly simple but very advanced nitrous systems, Their modular setups mean that you can start with the basics and build from your base kit to the level you ultimately want.

Founded in 1998, ZEX™ designs and manufactures truly superior bolt-on nitrous systems and related components. We integrate advanced engineering technology and superior customer service to provide you with the ideal nitrous solution for any application.

As a member of the COMP Performance Group™, ZEX™ is able to combine R&D efforts for constant new product developments. Our innovative designs and custom-fit nitrous systems allow for easy installation and optimized performance. Patented technological developments such as our Active Fuel Control™ to adjust fuel enrichment with changes in the bottle pressure, now enable safer, more efficient nitrous injection for increased horsepower gains without sacrificing engine safety.

In addition to nitrous systems, our product line also includes a full line of innovative nitrous accessories, spark plugs and much more. With ZEX's modern technology you can be sure that no power-adding option is safer, smarter or faster.

The ZEX™  Wet Nitrous Kit is a universal kit that is designed to work safely on stock type engines but is also engineered to perform flawlessly on highly modified turbocharged and supercharged applications. It is a simple  installation and the kit includes proper tuning jets, a range of fuel tap fittings, solenoids, filters and activation electronics that are factory pre-assembled in the Nitrous Management Unit.

• Complete wet nitrous system; Includes everything for a safe, proper install
• Adjustable from 55-75 HP w/ supplied tuning jets; Perfect for mild to wild performance
• All major components are factory pre-assembled inside the Nitrous Management Unit
• Multiple fuel tap fittings included to assure easy fitment to many applications
• Detailed instructions provide for an easy, single afternoon installation
• Works safely on stock or modified engines
• Kit comes with a 10lb bottle.

Suitable for Mazda RX-7 FC3s, RX-7 FD3s, and RX-8 This item is special order, please allow up to 6 weeks for arrival.

Zex offers this additional 10lb nitrous bottle in the siganture Zex deep purple. An extra 10lb of nitrous can make a big difference to just how long you can run your system.

• Includes High Flow Bottle Valve, Excellent For Applications Up To 300 HP
• Show Quality Purple Powder Coat Finish For Great Looks
• Includes Bottle Nut & -4AN Outlet Fitting

All Zex items are special order only so please allow up to 6 week for delivery.

ZEX™ Bottle Brackets are a durable and easy to use solution for mounting any 10 lb. or 15 lb. nitrous bottle. These brackets feature rubber strap covers that protect your bottle’s finish from damage and have convenient to use wing nuts so that no tools are required to remove the bottle.

• Durable Stainless Steel Construction
• Rubber Strap Covers Protect The Bottle’s Finish
• Convenient Wing Nuts Eliminate The Need For Tools When Removing The Bottle

All Zex components are special order only, Please allow up to a possible 6 week for delivery.

This Thermostatically controlled Nitrous bottle heater kit is the perfect solution for achieving optimal performance from your Zex Nitrous system.

• Heating your bottle to achieve 900-1000 psi is the key to ultimate performance (Esp. when operating in cooler temperatures)
• Pressure controlled to consistently maintain ideal nitrous pressure
• Calibrated for specific pressure range, max HP & consistent nitrous flow for engine safety
• Thermostatically controlled to ensure optimum bottle temperature is reached & maintained
• Electrical components are pre-assembled & molded into heaters for ease of installation
• Velcro straps for fast & easy installation on the bottle

Kit includes everything required to upgrade your system to a heated bottle setup, including switches and connectors and cable. All Zex parts are special order only, please allow up to 6 weeks for delivery.

The Zex remote bottle opener kit take the hassle out of opening your bottle when installed in your boots pace or any other area that is not easily accessible from the drivers seat.

• Allows you to open the valve from the driver’s seat at a moment’s notice
• ZEX™ design ensures that nitrous flow is not affected by its use
• Modular motor assembly provides years of trouble free use
• Manufactured from anodized billet aluminum

A;; Zex components are special order otems, please allow up to a possible 6 weeks for delivery of your order.

Serious racers know that optimum nitrous system performance is generated when nitrous bottle pressure is maintained between 900-1000 psi. To monitor this accurately, ZEX™ offers a liquid filled gauge option for our popular nitrous pressure gauge kit. The gauge offered in this kit is not only more accurate, but the liquid filling helps protect the gauge’s delicate internal components from severe vibration, commonly found in race cars and serious street/strip type vehicles.

• Fits -4AN bottle fittings (standard w/ most ZEX™ kits)
• Most accurate bottle pressure monotoring
• Internal components are protected from the severe vibration often found in race & serious street/strip vehicles
• Kit includes 0-1500 psi range gauge
• Specifically designed to fit any manufacturer’s nitrous bottle
• Comes w/ inline adapter for -4AN delivery lines

All Zex Parts are special order only, please allow up to a possible 6 weeks for delivery of your order.

ZEX™ Nitrous Purge Kits ensure instant nitrous power off the line by clearing the delivery lines of unwanted vapor, putting pure liquid nitrous at the nitrous solenoid, where you need it most Fits -4AN nitrous bottles (included w/ most ZEX™ Nitrous Kits) Includes everything required to setup your purge valve upgrade. All Zex Components are special order only, please allow up to a possible 6 weeks for delivery of your order.

The Zex illuminated Purge Clouud Kit is a set up from your normal kit. This kit will illuminate your purge cloud in either red of blue depending on what kit you choose.

• Ensures instant nitrous power by clearing delivery lines of any unwanted vapor
• Includes complete nitrous purge kit & ZEX™ Purge-Cloud LED Kit  (in either Red of Blue*)
• LED light is powerful enough to illuminate a 15 ft. nitrous cloud
• Fits -4AN nitrous bottles (included w/ most ZEX™ Nitrous Kits)

Please make your color selection from the drop down menu. All Zex parts are special order only, please allow a possible 6 weeks for delivery of your order.

Zex offer a selection of connecting hoses made from the steel braided hose with pre-installed crimped AN-4 fittings, Typically these AN-4 hoses are used to connect your nitrous supply hoses and bottles together. These hoses make expanding your installation easy. The most common sizes used are:

• 12 inch (aprox 300mm) AN-4
• 24 inch(aprox 600mm)  AN-4
• 36 inch (aprox 900mm) AN-4
• Other lengths up to 24ft are available on request.

All Zex Components are special order only, Please allow a possible 6 weeks for delivery of your order.

We have access to the full array of Zex' product range, what we list above is simply a small specific range that we have found are applicable to the rotary engine. If your looking for a Zex part, product or kit and cannot find it above, please get in touch and we will be happy to help you with your search. If your looking to carry out a tidy and professional looking Nitrous install we would be highly recommend taking a look in to a couple of other areas of our online store

• The Black Halo Racing Shop  where you will find the Excellent BHR Ignition Kit and BHR Throttle Body Spacer, The Spacer is the ideal solution for easy installation of your nitrous nozzles.
• The Aeromotive Fuel Systems If your Installing your Zex kit in to an RX-8 then we can highly recommend the Aeromotive Fuel Line Adapter to make for a professional looking leak fuel line install.