CLASS 5 UP TO 1650cc 16v 


UP TO 1650cc


  • No space frames allowed.
  • No competition ECU’s, Injection Systems or Gearing/gear box’s allowed.
  • All engine internals to remain original to the engine.
  • Limited slip or welded differentials permitted.
  • Standard ECU
  • Carburetors are free
  • Unlimited modifications to suspension permitted, but must use original pick up points.
  • 4 branch manifold allowed
  • Inlet/exhaust ports must remain as originally cast
  • Any 1650 engine in any steel body shell
  • Tyres and rims are free
  • Arches required where necessary.