Important Note Regarding Nitrous & Pressurised Systems

Orders containing nitrous systems or other pressurised canisters may require additional handling and inspection prior to dispatch.

Due to the nature of these products and applicable transport and state regulations, each system is individually inspected, released, and purged where required to ensure compliance with air and road freight standards. While most orders ship within our normal timeframes, this process may occasionally result in slightly longer dispatch times than those advertised.

We do everything we can to minimise delays, and the vast majority of shipments move through without issue. If you are working to a tight deadline or require urgent delivery, please contact us prior to placing your order so we can confirm the most suitable options.

We appreciate your understanding and patience - this process ensures safe, compliant transport and delivery of your order.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information

Water Methanol Injector Plate 4500 Shear Water-Methanol Plate

Nitrous Express water/methanol carburetor shear plates are available for manifolds with a 4150 or 4500 flange. They allow you to combine water-methanol injection performance and safety benefits with carburetor shear plate horsepower and throttle response improvements. Furthermore, by placing the nozzle (not included) in the center of the carburetor bores, they provide excellent cylinder-to-cylinder distribution. Order the Nitrous Express water/methanol carb shear plate that best fits your application.