e.g. Pleasure, commercial charter, trawler etc
For new builds please enter as unknown and ensure the flywheel diameter from page two is advised.
This is the distance between fixing hole centres measuring from 6 o'clock to 12 o'clock. Please see drawings below for help on how to measure. If your drive plate / flywheel has an uneven number of holes please measure the distance from one of the fixing holes to the outside of the plate (A) then multiple by two and subtract from the overall diameter (B)
How to measure PCD with an even number of holes:
How to measure PCD with an uneven number of holes:
If you have any additional details you would like to advise or any questions please let us know here.