The PROA SPEED FACTOR team are Motorsport Engineersby trade and training and have spent most of our careers in this exciting and highly demanding field.


We have experience of both race and rally car preparation as well as on event support of a variety of teams at all levels of the sport.




We offer those years of experience and craft to our customers at an affordable price. You can transform your road car into a track, race or rally car let us help you ensure you get the best possible performance for your £.



If you already have a competition car and you want a complete strip and rebuild or are looking for upgrading and developing it into a winning machine we can help. We will assist you in all aspects of preparation from fabrication to electronics.



We will always keep your data safe and will not share it with anyone else.

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Race Engine Building

Wiring looms, electronics and data acquisition

Aerodynamics analysis and implementation.

Kinematics and vehicle dynamics analysis

Brakes and clutches

Damper services

Race/rally car preparation & Manufacturing