Ultimate Conversions

Contact Us

Request a Call-back

Ultimate Conversions: Transform Your Classic Mini into a Powerhouse

At Mini Sport, we believe in the endless potential of the classic Mini. Our Ultimate Conversions service is designed to unlock that potential and take your Mini to new heights of power, performance, and individuality. Whether you're dreaming of a high-performance rally car or a unique daily driver, our team of experienced technicians can make your vision a reality.

Big Bore Engine Kits:

Experience the thrill of enhanced power and performance with our Big Bore Engine Kits. Developed from our wealth of experience and commitment to engineering excellence, these kits are designed to give you the maximum enjoyment whether you use your Mini for everyday transport, racing, rallying, or exhibition.


Our kits, available for 1293cc and 1400cc engines, are supplied in component form and include top-of-the-range, carefully selected, and matched components. Each component undergoes a thorough process of cleaning, inspection, precision machining, and meticulous assembly. The result? A high-quality, reasonably priced product that delivers increased reliability, longer service life, and enhanced performance

Discover Big Bore Engine Kits

Click here for more information >

Above 1293cc and 1400cc engines in Mini Sport's demonstrator Minis, which were redeveloped in the late 80s.

1293cc and 1400cc Conversions:

Experience the thrill of enhanced power with our 1293cc and 1400cc engine conversions. These engine kits are designed to deliver a significant boost in performance, transforming your Mini into a true road warrior. Each conversion is carried out with meticulous attention to detail, using only the highest quality components to ensure reliability and longevity.

For help and advice from our friendly, professional team

Click here  >

Indulge in the exhilarating world of the iconic Mini Cooper S with our exceptional range of Cooper Conversions. These kits are designed to elevate your Mini to extraordinary heights, combining timeless charm with unmatched performance. Whether you choose the John Cooper 'S' Works, 'Si', or 'S' Pack conversions, you'll experience a Mini that's been tailored for the modern era, delivering unparalleled power and torque.

R1 Motorbike Conversions:

For those seeking the ultimate in performance, our R1 Motorbike Conversions offer an exciting and innovative solution. These conversions utilise the power and agility of a Yamaha R1 engine, seamlessly integrated into your Mini for a truly exhilarating driving experience. Our kit has been designed to provide a cost-effective way of achieving superior performance, with the R1 engine delivering power at a fraction of the cost of building a traditional Mini engine.

For help and advice from our friendly, professional team

Click here  >

Paul Smith x MINI Recharged

Electric Conversions:

Embrace the future with our all-new Electric Conversions for the classic Mini. These conversions offer a sustainable and eco-friendly solution without compromising on performance or the classic Mini charm. Experience the smooth, silent power of an electric motor, coupled with the iconic handling and style of the Mini.

At Mini Sport, we're passionate about the Mini and its limitless potential. Our Ultimate Conversions service is a testament to that passion, offering you the opportunity to create a Mini that's truly unique and tailored to your exact specifications. Whether you're looking for a performance upgrade, a custom build, or a sustainable electric conversion, we have the expertise and the passion to make it happen.

Choose Mini Sport for your Ultimate Conversion and experience the thrill of driving a Mini that's been transformed to meet your exact needs. 

Contact us today to discuss your vision and let us help you make it a reality

Click here  >

Contact Us

Request a Call-back