proven shock technology

Earnest Performance offers a full-service in-house shock program, from sales to service to at-track advising. Complete shock and bumpstop packages are available as well as shock rebuilds and tailored shock programs for racers of all disciplines.

About Earnest Performance

Based in Mooresville, North Carolina, Earnest Performance is continuing a line of successful suspension technology that owner Brannon Earnest has been working hard at for decades.

Adjustment Guides

Earnest Performance offers it’s adjustment guides for multiple shock products for download. Be sure to get yours now and if you still have questions, don’t hesitate to contact us at 704-654-1492



Congratulations to Earnest Performance customer Austin Teras for winning at Oxford! EarnestPerform photo

#WINNING - Congratulations to Preston Peltier for grabbing the win at @EVGSpeedway last night! EarnestPerform photo

Specializing in JRi and Penske shocks, Earnest Performance can rebuild the shocks you currently own. Working directly with the customers, Earnest Performance will rebuild or repair your shocks in a way that is tailored to your needs.
EarnestPerform photo

Earnest Performance drivers are getting it done this weekend! Congrats @jeremydoss75 for winning at Irwindale! EarnestPerform photo

Get In Touch



1185 Gateway Drive
Suite A
Mooresville, NC 28115



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