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Contact Us

You've got questions. We've got answers. KMJ Performance is waiting by so give us a call, send us an email, or come visit us!

Want to find your own answers? Check out our FAQ and Terms and Conditions pages!

Phone Number: (515) 733 - 2890


Story City Hours:

Monday - Friday: 8AM-5PM Central

Saturday: 8AM-4:30PM Central

Ames Hours:

Monday - Saturday: 8AM-5PM Central

For returns, please Use the extension #600 or email us at

Mailing Address:

KMJ Performance
107 Industrial Park Rd
Story City, IA 50248