1907 Fiat Differential



Stemax Performance Engineers offer a prompt service for the manufacture of components for engine, gearbox, suspension, drive train and chassis.
We employ a team of experienced engineers whose skills include gear cutting, spark erosion, grinding, CNC milling and turning.
With a 33 year track record of providing sophisticated engineering solutions, we cater for a wide variety of performance applications.
We produce components for use in Motor Sport, Vintage and Historic vehicles, Aircraft and Boats, and are suppliers to many individuals, race teams and leading restorers, both within the UK and throughout Europe.
Stemax Heading


Component engineering is a specialist business. Manufacturing components that are designed for high performance requires the selection of materials of the correct specification and precise engineering within the necessary tolerances. It also requires attention to detail in order to achieve the highest possible standards.
Our customers are confident in our ability to apply exceptional manufacturing skills to produce the ultimate components. We utilise those specialist skills, equipment, experience and importantly the attitude essential to deliver a service beyond your expectations.
Using our 5 Axis Milling Machines and CNC turning centres, along with conventional machines, we are able to apply the highest standards possible to meet our customers exact requirements.
Working from original drawings where available, or taking measurements from existing components, we are able to produce any components to a high degree of engineering precision for a wide range of applications.
Inspection CMM and Shadowgraph
Ferrari 312 Differential
Sports Prototype Wheel Spacer (Work in Progress)



2 Chancery Gate
Ruscombe Business park
RG10 9LT
01189 344 140
01189 344 130
07860 458 679
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