SJ Performance Engineering - Innovation and Experience

Motorsport and Performance Engineering

SJ Performance Engineering provides a complete engineering service in the field of motorsport and performance cars. From the design of a single component to the development of an engine or entire car we have the experience and know-how.

Development suspension part

Parts Design and Manufactured

From CAD design to prototypes and manufactured parts.

More »

Engineering Problem Solving

Having problems solving issues with your car? Tap into our vast range of experience to find solutions to your engineering problems.

More »

Engine Building & Development

We can help to develop your engine or build an engine that best suits your requirements.

Lexus V8’s

Compact, strong and lightweight this is a versatile engine with great opportunity for development and competition use.
We also produce transmission adapters to connect manual gearboxes to Lexus engines.

More »

1956 Chevy

ANSU Fuel Injection Service Centre

Click here for information on our fuel injection servicing and the benefits it has for your car's performance.

For Sale

We have amassed quite a store of spares over the years including many for Lexus cars.

More »

Lexus V8 Engine
Lexus V8 engine build and gearbox adapter.
Lexus V8 Engine
Toyota Celica GT8 V8 conversion.

SJ Performance Engineering use and are suppliers of the following brands:

Earl's Performance Products

Link Engine Management ECU supplier

Click to see our guide to Link ECUs




About Roger Smith

Roger is our engineer and his CV is very impressive. His early career was in New Zealand before moving to the UK where he has built, repaired, designed, developed and adapted a vast number of engines, transmissions, suspensions and just about every facet of racing cars.

Roger has worked on everything from F1 cars and the legendary Cosworth DFV engine, through drag racing cars to all manor of saloon, sports, classic and exotic cars.

View Roger Smith's profile on LinkedIn

Read more about us »

Toyota Drag Racing CarProjects

Read about some of our projects.

More »