High Performance Engineering since 1970

Judd Power is the brand name for engines, services and parts supplied by Engine Developments Ltd.

Engine Developments Ltd is an independent engineering company specialising in the design, development and manufacture of high performance racing engines and components. John Judd and Sir Jack Brabham started the company in 1971 to produce their own competition engines, having previously worked together on the Repco Brabham F1 engines.

Since then the company has grown to become a respected supplier of race engine technology and support to the motorsport industry. The company is well known for its innovative design engineering and ability to provide a cost effective service to its customers.

We can bring your projects to life, no matter how large or small.

Our capabilities

Engine Design

Complete ‘clean sheet of paper’ design of high performance racing engines, components and assemblies.

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Engine Development & Testing

In house development of your engine. We will assess, test and analyse it then make a proposal to improve performance, fuel consumption and durability.

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We rebuild and service engines of our own design and those of other manufacturers.

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Our services include…


We are one of the few companies able to produce complete engines or individual components on site and in low volumes.

 Customer Support

Our staff offer high quality in house or on site engineering support.

Reverse Engineering

We provide reverse engineering services & consultancy to many different industries.

Past and present customers include

All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Our Engines

We design, develop, manufacture and service a range of our own Judd V8 and V10 engines for use in single seater and sportscar applications.

V8 Engines

V10 Engines