Latest information

Bonneville Record Smashed!

British Superbike EVO championship finale brings us success

2 Motocross championships with Lee Dunham



We have a new logo to run alongside our Race Developments name.
Look out for it adorning race bikes through 2011!


Dynojet 250i Dyno Dynojet Model 250i

Suzuki GSXR inletSuzuki GSXR inlet

Superflow SF120 flowbench Superflow SF120 flowbench


Race Developments are a full in house design and development centre specialising in tuning and engine management for 4 stroke engines.

With an engineering, software and design background along with a passion for motorcycles; proprietor Tim Radley has single-handedly established Race Developments to what it is today.

The aim has always been to combine well-proven engine building techniques with the latest in flowbench and computer modelling technology. This combined with years of experience and testing to find the optimum performance from engines, Race Developments has had great success in many major championships.


Race Developments has produced some of the best tuning techniques and engine builds in the business and is proud of its honest no nonsense approach.

Nothing stands still and with new machinery and engines becoming available every year Race Developments strive to be at the leading edge of design and development.

Every customer is important, from MotoGP to Club racing, road riding to off road riding - we can help you get the best out of your engine.