Rough Diamond services include:

  • Engine building – specialising in big and small block Chevrolet, Vauxhall XE and Ford ‘Kent’ engines – but anything with pistons considered!
  • Transmission repair and re-build
  • Axle servicing and ratio changes
  • Fabrication of one off components and short run projects
  • Chassis modifications
  • Welding – steel, stainless steel and aluminium
  • Servicing
  • Race preparation
Why use us?

Dave has a wealth of experience of working on a wide range of vehicles over many years. He’s also a racer himself, so he understands what’s important to you. As a result, he has built a reputation for:

  • Being a great problem solver
  • Having meticulous attention to detail
  • Being totally reliable in terms of quality and delivering to deadlines
  • Making the most of limited resources
  • Being a nice bloke to do business with!

Here are some examples of work we do:


One of our main customers is Caterham 7 specialists Redline Components Ltd. We manufacture a range of parts for them, including this low profile, increased capacity sump and oil pick-up for Ford Kent engines.


We designed and fabricated a lightweight seat subframe for racing use on this Ducati.


We built this high performance big block Chevy street engine for this truck.


And of course, the Rough Diamond competition altered is all Dave’s own work!