Contact us

Owlesbury Crankshaft Service
Unit 12 Winnall Valley Road
SO23 0LD

Telephone : 01962 855969
Fax : 01962 856969

Email :


Engine component balancing is an essential part of any well-built engine whether it is a high performance motorsport unit or commercial engine. We offer a full engine balancing service that will improve performance and efficiency. In addition we can also lighten your crankshaft and flywheel that will provide your engine with the best possible rotating assembly.

Our balancing services include:

  • Flywheel lightening
    We offer flywheel lightening, slotting and repitching for high performance and motorsport use.
  • Flywheel balancing
    Balancing of flywheel to ensure there no vibration or inbalance in the rotating assembly.
  • Reface brake disk
    Machining the brake disk surface to remove vibration and distortion – a cheaper alternative to replacement.
  • Skim brake drum
    Machining to remove vibration and distortion on drums – a cheaper alternative to replacement.
  • Full engine balancing
    Balancing of structural and operational components in an engine helps to improve longevity and performance as well as increasing power and efficiencies. OCS is able to balance all major engine components that will deliver smooth and improved performance.
  • Con rod balancing
    In order to ensure the rotating assembly in the engine runs vibration free, we offer end-to-end balancing of the con rods to ensure there are all identical.