Contact Us

The best way to reach us is through email 24 hours a day:

MadJack Diesel Performance
Dane Evans
Accounting: Debbie Silverstone

Toll Free 1 (855)-Mad-Jack
Local 805-531-9551
FAX 805-532-1452


Customer Service Email


Hours of Operation:

M-Thursdays 9:00am-5:00pm PST

Fridays 9:00am-4:00pm PST


MadJack Diesel Performance Inc.
330 Zachary St. #106
Moorpark, CA 93021


Weekends are by appointment only due to our racing schedule 30+ weekends per year. We check in on email when we have cell service at the races.


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