How Tos
Steering Wheel Bolt Patterns Explained
27
Aug
Aug
There are many brands of aftermarket steering wheels, steering wheel hubs, quick releases, and associated accessories. Many brands are compatible with one another, and generally, hubs, quick releases and steering wheels which share the same bolt pattern can work together.
Bolt pattern, also referred to as Pitch Circle Diameter (PCD) is the diameter of the circle which passes through the center of all the holes of the steering wheel. Use the guide below to learn what bolt pattern each brand uses, to find out what parts can be used together.
Grant 3 Bolt Steering Wheel Bolt Pattern
Grant 5 Bolt Steering Wheel Bolt Pattern
Circuit Performance, NRG, OMP, Sparco, MOMO & Grip Royal Steering Wheel Bolt Pattern
Nardi & Personal Steering WHeel Bolt Pattern
Grant 6 Bolt Steering Wheel Bolt Pattern
Excellent article on steering wheel bolt patterns, short and to the point, great presentation of the info!!!
you may also want to indicate that Grip Royal, even though it has the 70mm PCD like MOMO and NRG, has the pattern rotated into the Nardi style… which in most cases require you to either have a Grip Royal Adapter (or a rotational spacer/conversion ring to work with MOMO, NRG, Sparco, OMP, and other 70mm PCD adapters)
Don’t forget the Mounteney 102 PCD 6 hole!
What about OBA? 7 bolt pattern seems almost impossible to find hub/boss kits?