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Steering Wheel Bolt Pattern (PCD)

Posted by Aidas Ž. on

Nowadays there are lots of different brand steering wheels, steering wheel hubs/boss kits, quick release system kits and other steering wheel accessories on the market. Some of the brands are with the same bolt pattern and can work together. However, two most famous manufacturing companies of steering wheels and hubs, Nardi/Personal and MOMO offer their production with different bolt patterns.

Steering wheel bolt pattern, also referred to as Pitch Circle Diameter (PCD) is the diameter of the circle which passes through the centre of all the holes of the steering wheel. We offer this guide below to learn what bolt pattern each brand uses and to find out what steering wheels, boss kits and accessories can work together.

BOLT PATTERN (PCD): 6 x 70mm 6 x 70mm PCD steering wheel MOMO / Sportline / Sabelt / Italvolanti / Sparco/ NRG / Vertex / OMP / Motamec / ORECA / Turn One / Simoni Racing / Mountney
BOLT PATTERN (PCD): 6 x 74mm 6 x 74mm PCD steering wheel Nardi / Personal / Luisi / Raid / Dino / Gussi Italia
BOLT PATTERN (PCD): 3 x 50.8mm 3 x 50.8mm PCD steering wheel Sparco / Sportline
BOLT PATTERN (PCD): 3 x 50mm 3 x 50mm PCD steering wheel Motamec

If your steering wheel and steering wheel hub/boss kit are in different bolt pattern we can offer you a range of steering wheel adaptors which will let you use these two parts together.


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