Welcome

We manufacture what is probably the world's largest range of special tank filler caps for fuel, oil, water and any other liquid you care to mention.

Our famous Aero and Classic tank filling assemblies are the choice of many of the world's super car manufacturers.

We also manufacture highly engineered Quick Fill dry-break refuelling equipment suitable for marine and motorsport racing.

Take a look at the Newton Design page for details about our latest bespoke projects and capabilities.

New 1 Inch Quick Fill Refuelling Valves

The new 1 inch refuelling valves offer space savings and clean, safe filling

The single valves are also interchangeable with the Aero 300 Filler Cap

New Retention Tabs

We have designed a new form of retention tab which can be locked together without any special tools. Please view the retention tab page for further details and pictures.

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