The PCD (Pitch Circle Diameter) of any circular drilling pattern is the diameter of the circle encompassing all the centres of the drilled holes
Nardi / Personal drilling: The PCD (Pitch Circle Diameter) centre drilling is 74mm and consists of 6 holes placed at 1, 3, 5, 7, 9, 11 O’clock.
The Raid drilling is has a slightly different drilling pattern to Nardi & Personal, the drilled holes are at the same positions of 1, 3, 5, 7, 9, 11 O’clock however the PCD ( Pitch Circle Diameter) is 70mm rather than 74mm
3 Stud drilling: The PCD (Pitch Circle Diameter) centre drilling is 50.8mm and consists of 3 holes placed at 2, 6 and 10 O’clock.
Some examples of fitted steering wheels are available in the gallery. If you have any questions about our steering wheels or any of our products please feel free to contact us.