Quality. Precision. Value.

Here at JRD we strive for excellence, and we're dedicated to providing you with the best products possible!

Head Modifications
Our complete array of cylinder head services are proven to boost performance. From porting to copper seat installations, we do it all - and we do it in-house.
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Race Engines
Looking for maximum performance? Our well-developed race engines are sure to put you a step ahead of the competition.
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Suspension Services
Often overlooked when making bike improvements, suspension is a critical factor. Our services help ensure your suspenders are operating optimally.
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About JRD

JRD is a high performance racing development company. We specialize in cylinder head modifications and race engine builds, but also offer basic maintenance and performance services. With over 30 years of machining and racing development knowledge and experience, you can count on our products to meet your performance needs.


Johnson Racing Development
771 N Golden Key St, Suite A
Gilbert, AZ 85233, USA


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