As you progress through the caterham race series you will need to have a number of upgrades each year. Williams are a fully authosised Caterham Motorsport Centre and can carry out these upgrades each year for you. We do the mandatory upgrades from Academy to Roadsport - Roadsport to 270 and 270 to 310.

Unlike other race teams we are a fully authorised caterham Motorsport dealer and can offer engine sealing and official ECU remaps.

Items of upgrades on offer include:


  • Rear anti-roll bar
  • Brake bias valve/upgraded pads
  • Lowered wing stays/bonded front wings
  • “Quick” race ratio steering rack
  • Avon ZZS tyres
  • ECU Remap


  • 270R Engine Upgrade
  • Wide track front suspension
  • Race dampers/coil springs
  • Removal of headlamps, wiring and ancillaries
  • Removal of windscreen & wipers. Replace with race aero screen
  • ECU Remap


  • 310R engine upgrade
  • ECU Remap
  • Limited slip differential
  • Lightened flywheel

Other items:

  • Half doors
  • Remove ignition switch/steering lock & replace with starter button
  • Lower driver seat/replace with resin bead seat
  • Disconnect inertia switch (power cut-off)
  • Brake bias valve/upgraded pads
  • Lowered wing stays/bonded front wings
  • “Quick” race ratio steering rack
  • New Avon ZZS wheel/tyre set
  • Mintex or Pagid pads


Race Car Setup - The highly competitive nature of the Caterham racing requires both the driver and car to be 100%. We set up cars to be capable of racing at the front of the grid. Our race car set ups have an unrivalled history of race wins.

Bespoke Seat Fitting - A bespoke race seat makes a huge difference providing comfort, a lower seat position and support. Most of our customers have one of these fitted.

Extras and Upgrades - We offer a number of extras and upgrades for all race cars depending on what you need, the series you race in and age of your car. Each car is individual and we can advise what is best.

Service checks - We offer race readiness checks before you head out on track. We will highlight any areas of the car that require additional work to comply with the regulations or to improve race performance. Our service process is designed to detect and prevent mechanical failures as a result of track use. We check that critical nuts and bolts are correctly torqued and wheel bearings correctly adjusted.

Custom Wraps - We arrange an organise full custom wraps for our customers. This is a bespoke service and each car is designed and tailered for each customer.

Driver Coaching - We offer full driver coaching. In addition to technical support, Williams provides driver coaching as an integrated part of the at-circuit support package which includes a unique video sharing capability. Being able to view a video record is a great aid to gaining the most from limited on-track test time. Contact us for full info.

Track Day Support - Gain the most out of a trackday with focused support and coaching. We help you on the day to get

the most out of your car including set up changes and support working with our driver coach to make sure you as a driver improves.