There are countless companies involved in professional motocross, but more than any of them, Pro Circuit symbolizes racing.  Pro Circuit uses the slogan "We Race," meaning what they use on the track, you can buy yourself. 

Pro Circuit is a custom precision engine and suspension building facility that tests everything at the racetrack because the track is the only place to figure out what works and what doesn't. 

Pro Circuit was founded in 1978 by motor-tuning specialist Mitch Payton.  By the mid-80’s Mitch had built a reputation for developing the fastest motors around.  When the factory riders started using Pro Circuit, the business really took off.

In 1991 Pro Circuit started their own race team.  Pro Circuit has fielded the strongest most consistent team on the AMA circuit.  Starting with Honda equipment and then moving to Kawasakis in 1993 and four strokes in 2004, Pro Circuit has managed to compete for championships every season.

Pro Circuit is one of the most powerful and recognized motocross performance companies in the world today.