Copperhead diesel performance

We know everyone’s needs are different. That’s why we work with you to create a plan specific to your truck. And, whether it’s high performance upgrades or maintenance, you can trust us to deliver honest, quality work — every time.


The CPD Performance Promise




Building Better Transmissions

Hover over the hotspots to learn more about what is inside our custom transmission.

Your Ride. Your Way.

Tuning From
CopperHead Diesel

We’re here to help you expand and push the limits of your truck. We don’t believe in a “one size fits all” approach to tuning.

the latest Retune custom kits

Check out some of the latest kits we’ve been able to make for some of our happy customers.

Meet sean

He spent six years in the Army, including two deployments overseas. Once he returned home, he started helping his buddies fix-up trucks in his spare time. He wasn’t a mechanic in the Army, but he was an avid learner…

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Ready for your custom build?

Contact us 


145 E Highland St, Chandler, AZ 85225