After 22 great years, Arizona TPI/Performance EFI has closed its doors.
If you need to contact us, please send an email to customerservice@aztpi.com.

For replacement fuel injectors, both new and rebuilt, as well as performance fuel injectors,
contact AUS Injection at 480-668-9738.  AUS Injection is also happy to help you
with all your injector cleaning and testing requirements.

For vehicle service, custom engine installation, performance tuning,
custom ECM programming and much more,
contact Tony and Leighton at their new shop: 480-921-4170.